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69 Cards in this Set

  • Front
  • Back
what 3 things does the skeletal system do?
provides support for the body; protects vital organs; produces blood cells
What is bone, and what are the types of bone?
hard and rigid tissue; spongy and compact
How many bones in a human?
206
What is produced by red bone marrow?
red blood cells
What is spongy bone like?
grid-like structures
Describe compact bone?
outside perimeter
What is cartilage?
tough, flexible connective tissue
Where is cartilage found?
nose, ears, skeleton of human fetus until 3rd month
What are ligaments?
connective tissue that connects bone to bone
What are tendons?
connective tissue that connects bone to muscles
Where are the phalanges?
feet and hands
What are the arm bones?
radius, ulna, humerus
Name the leg bones?
femur, fibula, tibia and knee has the patella
Where are the tarsals?
the foot
Where are the carpals?
the wrists
What are the 3 primary functions of the integumentary system?
regulates body temperature; 1st line of defense from disease, protects from ultraviolet light through vitamin D production
What are the parts of the integumentary system?
epidermis (skin), and its appendages including hair and nails
Parts of the integumery system?
top layer, is epidermis - dead skin cells; dermis is thick layer of skin
Parts of the dermis?
sebaceous glands, hair follicles, sweat glands
Where is the hypodermis?
layer below the dermis
What do the sebaceous glands produce?
oil
What do the sweat glands do?
regulate body temperature and get rid of blood's waste
What are the primary functions of the muscle system?
allows the body to move; allows blood to circulate and moves food through the digestive system
what are the three types of muscle?
skeletal, smooth, cardiac
What is skeletal muscle?
muscles that are under conscious control and enable the body to move; voluntary; striated in bands; ex: biceps; strong, quick; discontinuous
What is smooth muscle?
unstriated; involuntary; ex: digestive system; weak, slow,
What is cardiac muscle?
heart; involuntary; constantly working; strong and quick
What is the primary function of the excretory system?
to remove waste
What system filters blood to produce urine?
urinary system
What do the kidneys do?
remove waste from the blood and form urine
What part of the kidneys removes waste and forms urine?
nephrons
What does the ureter do?
carries urine from the kidneys to the bladder
What does the bladder do?
a sac which holds urine; when full smooth muscle of bladder signals to the brain
What moves urine from the bladder out of the body?
the urethra and a sphincter muscle
Parts of the digestive system?
mouth, teeth, jaws, tongue,cheek, enzymes, esophagus, stomach. liver, gallbladder, small intestine, large intestine
Function of the digestive system?
chemical and mechanical digestion
What are the parts of the small intestine?
duodenum, jejunum, ileum
What valve joins the small and large intestines?
ileocecal valve
What are the parts of the large intestine?
ascending colon, transverse colon, sigmoid, rectum
What are the digestive fluids in the stomach?
hydrochloric acid (HCl), pepsin
What is pepsin and its function?
an enzyme that digests protein
What does HCl do in the stomach?
kill bacteria, denature proteins
What muscle movement occurs in the esophagus?
peristalsis
What is secreted by the lining of the esophagus?
mucus
What type of muscles are at the top and bottom of the esophagus?
sphincter muscles
What shape is the stomach?
=shaped
What blocks food from entering the trachea?
the epiglottis
What blocks food from entering the nose?
the uvula
What is in saliva?
mucin to lubricate, buffers to neutralize acids, antibacterial agents and amylase which converts starch to protein
What does the gallbladder store?
bile which breaks down food
What makes bile?
the liver and gallbladder
What is in bile?
salts which emulsify fat so it can be digested
What do teeth do?
grind food to increase the surface area
What is the function of the large intestine?
to re-absorb water and absorb nutrients; produce feces; contains bacteria including E.coli, Acidophilus spp. and Candida
What is the pancreas?
a gland organ in the digestive and endocrine systems of vertebrates
What does the pancreas produce?
hormones: insulin, glucagon, somatostatin, pancreatic juice: digestive enzymes which pass to the small interstine
What is the respiratory system function?
supply the body with oxygen in order for the blood to deliver oxygen to all parts of the body
Parts of the respiratory system?
lungs made of alveoli which are tiny air sacs; mouth, nose, trachea which splits into bronchus which split into brochial tubes, epiglotis, pharynx, diaphragm
What do the lungs do?
take in oxygen and breathe out carbon dioxide
What distributes the oxygen to the body cells?
red blood cells
What does the trachea do?
filters air breathed
What do the bronchi do?
carry air from the trachea to the lungs
What does the diaphragm do?
Contracts to enlarge the lung space and pull air into the lungs then expands to reduce lung space and force air out
What provides filtering in the nose?
nasal hairs that line the nostrils
What do the nasal cavity and sinuses do?
warm and humidify air
What does the larynx do?
produces sound though vibration
What are hiccups?
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.
What is the primary function of the circulatory system?
transport nutrients, gases, hormones, etc through the body to fight disease, stabilize body temperature and stabilize pH
Name the main parts of the heart:
4 chambers: 2 ventricles and 2 atria - left and right