Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
136 Cards in this Set
- Front
- Back
Term for internal organs |
visceral |
|
A group of cells that perform a similar function |
tissues |
|
Study of the structure and organization of the human body |
anatomy |
|
Feedback mechanism that returns the body to homeostasis |
negative feedback |
|
In anatomical terms, the forearm is the _____ region and the fingers are the _____ region.
|
The forearm is the antibacterial region the fingers are the digital region |
|
The plane that divides the body into superior and inferior portions |
transverse |
|
All the chemical reactions are called |
metbolism |
|
Upper and lower limbs are the ____ portion of the body |
appendicular |
|
Membrane lining abdominal cavity and surface of its organs |
peritoneum |
|
Lack of these three things would impair the body's ability to maintain homeostasis |
food water and oxygen |
|
Mitosis is the division of the ____. There are __ cells after cytokenesis |
neucleus. 2 cells afterwards |
|
The powerhouse organelle that produces ATP |
Mitohondria |
|
_______ Contain digestive enzymes and are used to clean up the cell, digest bacteria that enter the cell, or break down worn-out organelles. |
Lysosomes |
|
The structure that controls the movement of material into and out of cells |
plasma membraneC |
|
Cellular respiration requires _____ to release energy, which is captured in high energy ______ bonds. |
Oxygen is needed to release energy. Captured in high energy phosphate bonds |
|
The genetic code of ____ is formed of nitrogenous _____ in its nucleotides |
DNA is a sequence of nitrogenous bases in its nucleotides |
|
Drinking a fluid that is hypertonic, like seawater, is likely to |
draw fluid out of the body making you thirstier |
|
The tissue that binds organs together and provides support and protection is |
connective tissue |
|
Tissue that covers the body surface, body cavities and organ surfaces |
epithelial |
|
Skeletal muscle (does/ does not) have striations with mutliple nuclei, and is (voluntary/ involuntary) |
Does have striations and multiple nuclei. Voluntary |
|
Simple squamous epithelium can be found in the lungs because |
It functions to aid diffusion of gases into and out of the blood |
|
A carcinoma is a cancer derived from _____ tissue |
epithelial tissue |
|
A sarcoma is a cancer derived from ____ tissue |
connective |
|
Blood is classified as ____ tissue |
connective tissue |
|
_____ is located at inter-vertebral discs to absorb shock |
Fibrocartilage |
|
Superficial layer of the skin is the |
epidermis |
|
Accessory structures such as hair and glands develop from the |
dermis |
|
If body temperature increase above normal, what happens |
sweating occurs and blood vessels dilate |
|
Adipose tissue is in the _____ and provides insulation for heat loss/gain |
adipose tissue is in subcutaneous layer |
|
The _____ lacks blood vessels and must be nourished by materials in the ____. |
epidermis, dermis
|
|
Glands secreting an oily liquid into hair follicles are ______ glands |
sebaceous |
|
Perspiration contains these 3 substances |
wastes, water, salts |
|
Two common cancers are the _____(less serious) and _____ (more serious) |
Less serious Carcinoma. More serious Melanoma |
|
A condition with a body temperature below 95F is called |
hypothermia |
|
The root of a hair is located within a _______, an inward tubular extension of the epidermis into the dermis. |
hair follicle |
|
Which does the skeletal system NOT do? -Protect spinal cord -attach to skeletal muscles -Produce vitamins -Formulate blood formed elements |
Produce vitamins |
|
Long bone consists of a ______ (long shaft of bone) which is between the two enlarged terminal portions called the ______. |
Diaphysis, epiphyses |
|
Internal portion of an epiphysis consists of |
spongy bone |
|
Yellow bone marrow is composed of |
adipose tissue |
|
Cells that can build bone tissue are |
Osteoblastss |
|
Appendicular skeleton includes |
Upper/ lower limbs. Pectoral/ pelvic girdle. |
|
Axial skeleton includes |
skull , vertebral column, and associated bones and thoracic cage |
|
Fossa is |
small depression |
|
foramen is |
opening or passageway through a bone |
|
Which of these are not part of the coxal bones Pubis, ilium, coccyx, ishium |
coccys |
|
4 Skull bones containing paranasal sinuses are the |
maxillae, frontal bone, sphenoid, and ethmoid |
|
Muscle that is multinucleated, striated, and voluntary |
skeletal muscle |
|
Muscle is involuntary, non- striated, and has a single nucleus |
smooth muscle |
|
Sustained muscle contraction is called |
tetnay |
|
Functional unit of a skeletal muscle is called a |
sarcomere |
|
Neurotransmitter active in skeletal muscle contraction |
acetycholine |
|
Site of attachment of a muscle that does NOT move during contraction (insertion/ origin) |
origin |
|
Puckering lips is because of the |
orbicularis oris |
|
when smiling, the ____ muscles lift upward |
zygomaticus |
|
A lack of ATP, ionic imbalances, and blows to a muscle can cause |
muscle cramps |
|
The accumulation of lactic acid during strenuous muscle activity results from a deficiency of ____ |
oxygen |
|
The motor division of the nervous system carries nerve impulses from |
CNS to the effectors |
|
Sensory division of the nervous system carries nerve impulses from |
sensory receptor to the CNS |
|
Carries impulses towards the cell body (axons/ dendrites) |
dendrites |
|
The_____ increases speed of the nerve impulse transmission |
myelin sheath |
|
If a neuron is located entirely in the CNS, the neuron is a(n) |
interneruon |
|
At a synapse, the receptors for the neurotransmitters are located |
on the plasma membrane of the post synaptic neuron |
|
_____ is the intermediate membrane of meninges. ____ is the most superficial layer of the meninges. |
Arachnoid mater. Dura mater. |
|
The broca area controsl |
ability to speak |
|
occipital lobe does this |
sensory area in brain for vision |
|
because a chemical we will smell needs to diffuse into the fluid surrounding the olfactory receptors, which of the substances cant be detected |
lipids |
|
Where are the auditory ossicles, the malleus, the incus, and the stapes? |
middle ear |
|
Pain receptors, unlike other types, do not |
adapt to stimuli |
|
where to find chemoreceptors in the nose |
amongst columnar epithelia lining the nasal passages |
|
Innermost to outermost sequence of the middle ear |
tympanic membrane, malleus, incus, stapes. |
|
Tears are produced by the ____ and exit the eye _____. |
lacrimal gland, medially |
|
To allow the eye to accommodate images, the _____ must be flexible and respond to object distance. |
lens |
|
The ____ is the opaque, tough part of the eye that protects the inside structures |
sclera |
|
Rods in the cells are filled with a pigment called _____, and lack of it can lead to ____. |
Rhodopsin, night blindness |
|
Blindness in adults is most often caused by cataracts clouding the _____ |
cornea |
|
A hormone is a chemical messenger that produces specific responses in |
Only cells with receptors for that specific hormone. |
|
Endocrine glands differ from exocrine glands because |
exocrine glands have ducts to carry secretions but endocrine glands do not. |
|
The secretion of antidiuretic hormone is controlled by the |
concentration of water in body fluids |
|
______ stimulates the contraction of mammary glands when nursing infants |
Oxytocin |
|
______ stimulates the testes to produce testosterone |
Lutinizing hormone |
|
_____ is an enlargement of thyroid gland that results from a deficiency of iodine in the diet |
simple goiter |
|
_____ stimulates the thyroid gland to secrete thyroid hormones |
a releasing hormone from the anterior lobe of the pituitary gland |
|
_______are primary factors that determine the basal metabolic rate of the body |
thyroid hormones |
|
_____ and _____ prepare the body to meet short- term needs |
epinephrine and no epinephrine |
|
Type II diabetes mellitus is caused by |
a reduction of insulin receptors on target cells |
|
Why do men have a higher RBC counts than women? |
More muscle tissues means more oxygen needed to be carried |
|
Worn out RBCs are removed from circulation by the ___ and ___. |
liver and spleen |
|
3 nutrients needed for production of hemoglobin |
iron, folic acid, vitamin b12 |
|
In blood volume, ___% is plasma, ___% is formed elements |
55% plasma, 45% formed elements |
|
____ are blood cells that provide a defense against disease organisms |
Leukocytes |
|
Antibodies that attack pathogens are produced by |
B lymphocytes |
|
____ form a temporary plug to stop bleeding in a broken blood vessel |
platelets |
|
A person with blood type AB possesses ______ on the plasma membrane of their RBCs |
Antigens A and B |
|
In a blood transfustion, one must consider the ____ of the doner and the _____ of the recipient. |
antigens of the donor and antibodies of the recipient |
|
Most common WBC is |
neutrophil |
|
Membranous covering of the heart is the ______, which includes a loosely fitting pericardial sac composed of an inner _____ and and outer _____. |
Pericardium; parietal layer of serous pericardium; fibrous pericardum |
|
The ____ receives blood from the pulmonary veins |
right atrium |
|
The _____ receives blood from the superior venae cavae and he coronary sinus |
right atrium |
|
The ____ pumps blood into the aorta |
left ventricle |
|
The left ventricle pumps ____ blood through the ___ valve. |
oxygenated blood through the aortic valve |
|
The mitral valve prevents backflow of blood from the ____ into the ____. |
Left ventricle into the left artrium |
|
The pulmonary arteries carry _____ blood into the ____. |
deoxygenated blood into the lungs |
|
Contraction phases is AKA _______ which does this to blood pressure. |
systole increases blood pressure |
|
The relaxation phase of of a cardiac cycle is AKA ____ which does this to blood pressure |
diastole decreases blood pressure |
|
The ______ is referred to as the pacemaker of the heart |
SA node |
|
Cardiac control center is in the |
medulla oblongata |
|
The skin and the mucous membranes can be considered a ______ barrier |
mechanical barrier |
|
In adults the largest lymphoid organ is the |
spleen |
|
An innate, non-specific defense against the action of viruses that cells infected with viruses can produce is |
interferon |
|
The first step in a B-cell's defense against a microorganism is to |
recognize the antigen |
|
The antibody that is active in allergic reponses |
IgE |
|
Antibody that acts as a receptor on the surface of a B cell is |
igD |
|
Antibody active in aggulitination of clumping is |
IgM |
|
The immunity that one receives from their mother pre and post natal is |
passive natural immunity |
|
Lymph from most of the body is returned to the blood in the _______ vein. |
Left Subclavian |
|
Lymph is filtered and cleansed by the _____ before it is returned to the bloodstream |
Lymph Nodes |
|
From the nasal cavity, air passes, in sequence, through the _____,______, ______, and ______ (in that order) on the way to the lungs |
pharynx, larynx, trachea, & bronchi |
|
The part of the respiratory system with the largest internal surface area is the ______. |
Alveoli |
|
The upper respiratory tract consists of the |
nose & pharynx |
|
Paranasal sinuses (hallow spaces) can be found in all these bones -ethmoid -sphenoid -frontal -maxillae -palatine |
palatine has no paranasal sinus |
|
The surfactant secreted by special cells in alveoli have this job |
prevent alveoli from collapsing |
|
This projects anteriorly to form the Adam's aple |
thyroid cartilage |
|
Bronchioles (do/ do not) have cartilage |
do not |
|
Microorganisms inhaled into the passageway are most likely to be destroyed by |
gastric juice in the stomach |
|
In humans, the right lungs has ____ lobes nd the left lung has ___ lobes. |
right has 3. Left has 2. |
|
Which of the following structures allow the exchange of gases between inhaled air and the blood |
alveoli only |
|
The ailmentary canal is about ____ feet long in adults |
20 feet long |
|
An organic compound that the body needs in a munute amounts is a |
vitamin |
|
This organ secretes bile, synthesizes blood proteins, converts nutrients into usable forms and detoxifies. |
The liver |
|
One of the nutrients important for DNA synthesis and RNA synthesis is |
folic acid |
|
The ______ salivary glands secrete a saliva rich in _____, |
Parotid, amylase |
|
____ catalyzes the digestion of starch and gycogen to malose |
amylase |
|
The pancreas (is/ is not) part of the ailmentary canal |
is not |
|
Deciduous teeth lack ____ whereas permanent teeth have all four types of teeth |
bicuspids |
|
Much of the mucous of the mouth comes from the ____ gland under the tongue |
sublingual |
|
Why is chewing considered digestion? |
Grinding the food into smaller pieces increases the surface area which helps with digestion. |