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69 Cards in this Set
- Front
- Back
what 3 things does the skeletal system do?
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provides support for the body; protects vital organs; produces blood cells
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What is bone, and what are the types of bone?
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hard and rigid tissue; spongy and compact
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How many bones in a human?
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206
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What is produced by red bone marrow?
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red blood cells
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What is spongy bone like?
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grid-like structures
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Describe compact bone?
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outside perimeter
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What is cartilage?
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tough, flexible connective tissue
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Where is cartilage found?
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nose, ears, skeleton of human fetus until 3rd month
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What are ligaments?
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connective tissue that connects bone to bone
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What are tendons?
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connective tissue that connects bone to muscles
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Where are the phalanges?
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feet and hands
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What are the arm bones?
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radius, ulna, humerus
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Name the leg bones?
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femur, fibula, tibia and knee has the patella
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Where are the tarsals?
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the foot
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Where are the carpals?
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the wrists
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What are the 3 primary functions of the integumentary system?
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regulates body temperature; 1st line of defense from disease, protects from ultraviolet light through vitamin D production
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What are the parts of the integumentary system?
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epidermis (skin), and its appendages including hair and nails
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Parts of the integumery system?
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top layer, is epidermis - dead skin cells; dermis is thick layer of skin
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Parts of the dermis?
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sebaceous glands, hair follicles, sweat glands
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Where is the hypodermis?
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layer below the dermis
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What do the sebaceous glands produce?
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oil
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What do the sweat glands do?
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regulate body temperature and get rid of blood's waste
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What are the primary functions of the muscle system?
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allows the body to move; allows blood to circulate and moves food through the digestive system
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what are the three types of muscle?
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skeletal, smooth, cardiac
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What is skeletal muscle?
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muscles that are under conscious control and enable the body to move; voluntary; striated in bands; ex: biceps; strong, quick; discontinuous
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What is smooth muscle?
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unstriated; involuntary; ex: digestive system; weak, slow,
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What is cardiac muscle?
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heart; involuntary; constantly working; strong and quick
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What is the primary function of the excretory system?
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to remove waste
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What system filters blood to produce urine?
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urinary system
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What do the kidneys do?
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remove waste from the blood and form urine
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What part of the kidneys removes waste and forms urine?
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nephrons
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What does the ureter do?
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carries urine from the kidneys to the bladder
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What does the bladder do?
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a sac which holds urine; when full smooth muscle of bladder signals to the brain
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What moves urine from the bladder out of the body?
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the urethra and a sphincter muscle
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Parts of the digestive system?
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mouth, teeth, jaws, tongue,cheek, enzymes, esophagus, stomach. liver, gallbladder, small intestine, large intestine
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Function of the digestive system?
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chemical and mechanical digestion
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What are the parts of the small intestine?
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duodenum, jejunum, ileum
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What valve joins the small and large intestines?
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ileocecal valve
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What are the parts of the large intestine?
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ascending colon, transverse colon, sigmoid, rectum
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What are the digestive fluids in the stomach?
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hydrochloric acid (HCl), pepsin
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What is pepsin and its function?
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an enzyme that digests protein
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What does HCl do in the stomach?
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kill bacteria, denature proteins
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What muscle movement occurs in the esophagus?
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peristalsis
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What is secreted by the lining of the esophagus?
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mucus
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What type of muscles are at the top and bottom of the esophagus?
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sphincter muscles
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What shape is the stomach?
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=shaped
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What blocks food from entering the trachea?
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the epiglottis
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What blocks food from entering the nose?
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the uvula
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What is in saliva?
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mucin to lubricate, buffers to neutralize acids, antibacterial agents and amylase which converts starch to protein
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What does the gallbladder store?
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bile which breaks down food
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What makes bile?
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the liver and gallbladder
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What is in bile?
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salts which emulsify fat so it can be digested
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What do teeth do?
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grind food to increase the surface area
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What is the function of the large intestine?
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to re-absorb water and absorb nutrients; produce feces; contains bacteria including E.coli, Acidophilus spp. and Candida
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What is the pancreas?
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a gland organ in the digestive and endocrine systems of vertebrates
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What does the pancreas produce?
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hormones: insulin, glucagon, somatostatin, pancreatic juice: digestive enzymes which pass to the small interstine
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What is the respiratory system function?
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supply the body with oxygen in order for the blood to deliver oxygen to all parts of the body
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Parts of the respiratory system?
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lungs made of alveoli which are tiny air sacs; mouth, nose, trachea which splits into bronchus which split into brochial tubes, epiglotis, pharynx, diaphragm
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What do the lungs do?
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take in oxygen and breathe out carbon dioxide
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What distributes the oxygen to the body cells?
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red blood cells
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What does the trachea do?
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filters air breathed
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What do the bronchi do?
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carry air from the trachea to the lungs
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What does the diaphragm do?
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Contracts to enlarge the lung space and pull air into the lungs then expands to reduce lung space and force air out
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What provides filtering in the nose?
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nasal hairs that line the nostrils
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What do the nasal cavity and sinuses do?
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warm and humidify air
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What does the larynx do?
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produces sound though vibration
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What are hiccups?
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Hiccups are spasms of the diaphragm thought to be caused by not enough CO2 in the body. Thus, hiccups are frequently cured by breathing into a paper bag.
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What is the primary function of the circulatory system?
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transport nutrients, gases, hormones, etc through the body to fight disease, stabilize body temperature and stabilize pH
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Name the main parts of the heart:
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4 chambers: 2 ventricles and 2 atria - left and right
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