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Definition
| Occurs as subunit molecules produced by chemical digestion (i.e., nutrients) cross the wall of the GI tract and enter the cells lining the tract. From there, the nutrients enter the blood for delivery to the cells. (Page 159) |
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Definition
| In the lower respiratory tract it is the skeletal muscle; functions in ventilation. (Page 186) |
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| Is a condition in which portions of the mucosa literally have pushed through the other layers and formed pouches, where food can collect. The pouches can be likened to an inner tube that pokes through weak places in a tire. When the pouches become infected or inflamed, the condition is called diverticulitis. (Page 159) |
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| Molecules that cannot be digested need to be eliminated from the body. The removal of indigestible wastes through the anus is termed defecation. (Page 159) |
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| Passageway where peristalsis pushes food to stomach. (Page 158) |
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Definition
| Stores bile from liver; sends it to the small intestine. (Page 158) |
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| Absorbs water and salt to form feces. (Page 158) |
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Definition
| Major metabolic organ: processes and stores nutrients; produces bile for emulsification of fats. (Page 158) |
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Definition
| Is the central space that contains food being digested in the GI tract. (Page 159) |
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Definition
| Inner mucous membrane layer modified according to the digestive organ. (Page 159) |
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Definition
| Two layers of smooth muscle in the GI tract. (Page 159) |
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Definition
| Produces pancreatic juice: contains digestive enzymes, and sends it to the small intestine; produces insulin and secretes it into the blood after eating. (Page 158) |
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Definition
The throat; part of both the respiratory and digestive systems.
Passageway where food is swallowed. (Page 158) |
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| Stores and regulates elimination of feces. (Page 158) |
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Definition
| Secrete saliva: contains digestive enzyme for carbohydrates. (Page 158) |
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Definition
| Thin, outermost tissue that is the visceral of the GI tract. (Page 159) |
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Definition
| Mixes chime chyme with digestive enzymes for final breakdown; absorbs nutrient molecules into body; secretes digestive hormone into the blood. (Page 158) |
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Definition
| Secretes acid and digestive enzyme for protein; churns, mixing food with secretions, and sends chime to small intestine. (Page 158) |
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Definition
| The second layer of the GI wall. The submucosal layer is a broad band of loose connective tissue that contains blood vessels, lymphatic vessels, and nerves. (Page 159) |
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Definition
| In the lower respiratory tract it is the passage of air to the alveoli. (Page 186) |
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Definition
| In the lower respiratory tract it is the passage of air to the lungs. (Page 186) |
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Definition
| In the upper respiratory tract it is the space between the vocal chords; opening to the larynx. (Page 186) |
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Definition
The voice box; located in the top part of the trachea, underneath the epiglottis.
In the upper respiratory tract it is the voice box that produces sound. |
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Definition
An organ found in air-breathing vertebrates that exchanges oxygen and carbon dioxide with the blood.
In the lower respiratory tract it contains alveoli (air sacs); carries out gas exchange. (Page 186) |
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Definition
| In the upper respiratory tract it filters, warms, and moistens air. (Page 186) |
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Definition
| In the upper respiratory tract it is the passageway where the pathway for food and air cross. (Page 186) |
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Definition
The windpipe; a passage through which air moves in the respiratory system.
In the lower respiratory tract it is the windpipe or the passage of air to the bronchi. (Page 186) |
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Definition
| Tiny sacs of lung tissue specialized for the movement of gases between air and blood. |
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Definition
| Folds of connective tissue that stretch across the opening of the larynx and produce a person's voice. |
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Definition
| A serious disease that destroys lung tissue and causes breathing difficulties. |
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Term
| At any given time, up to 65% of the body's blood is found in: |
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Definition
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| Which of the following is the major force generating blood flow? |
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Definition
| Pumping action of the heart |
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Term
The upper chambers of the heart are the:
a. atria
b. ventricles
c. sinuses
d. valves |
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Definition
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| Which of the following blood vessels carries blood away from the heart? |
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Definition
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| Which of the following blood vessels carries blood away from the heart? |
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| A person has a blood pressure of 129 over 80. The bottom number (80) represents: |
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Which of the following vessels is most likely to supply the anterior left ventricular myocardium?
a. Left anterior descending artery?
b. Posterior interventricular artery
c. Circumflex artery
d. Right coronary artery |
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Definition
| Left anterior descending artery |
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Term
Capillary beds:
a. can be closed by a sphincter
b. have the closest contact with body tissues
c. contain the smallest blood vessels
d. all choices are correct |
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Definition
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Term
| The pacemaker of the heart is the |
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Definition
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| Which of the following structures is continuous with the inner lining of blood vessels? |
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Definition
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Term
| Any condition in which blood vessels are inadequately filled and blood cannot circulate normally is called |
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Definition
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| Reduction in lumen diameter of a blood vessel as the smooth muscle contracts is known as |
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Definition
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| High blood pressure is also called: |
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Definition
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| Choose the following statement concerning veins that is NOT accurate |
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Definition
| They have more muscle than arteries |
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Term
| Which of the following veins is the longest in the body? |
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Definition
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Term
| When the mitral valve closes, it prevents the backflow of blood from the |
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Definition
| left ventricle into the left atrium |
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