Module 5: Digestive & Respiratory Systems Flashcards

1
Q

Greenish-yellow or brownish fluid produced in and secreted by the liver, stored in the gallbladder, and released into the small intestine.

A

Bile

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2
Q

A rounded mass of food prepared by the mouth for swallowing; any soft round mass.

A

Bolus

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3
Q

The blind-ended pouch at the beginning of the large intestine.

A

Cecum

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4
Q

Semifluid, creamy mass consisting of partially digested food and gastric juice.

A

Chyme

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5
Q

First part of the small intestine.

A

Duodenum

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6
Q

A protein that acts as a biological catalyst to speed up a chemical reaction.

A

Enzyme

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7
Q

Muscular tube extending from the laryngopharynx through the diaphragm to join the stomach; collapses when not involved in food propulsion.

A

Esophagus

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8
Q

Sac beneath the right lobe of the liver used for bile storage.

A

Gallbladder

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9
Q

Opening between the vocal cords in the larynx.

A

Glottis

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10
Q

Terminal part of the small intestine; between the jejunum and the cecum of the large intestine.

A

Ileum

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11
Q

The part of the small intestine between the duodenum and the ileum.

A

Jejunum

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12
Q

Portion of the digestive tract extending from the ileocecal valve to the anus; includes the cecum, appendix, colon, rectum, and anal canal.

A

Large Intestine

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13
Q

Lobed accessory organ that overlies the stomach; produces bile to help digest fat, and serves other metabolic and regulatory functions.

A

Liver

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14
Q

Gland located behind the stomach, between the spleen and the duodenum; produces both endocrine and exocrine secretions.

A

Pancreas

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15
Q

Progressive, wavelike contractions that move foodstuffs through the alimentary tube organs (or that move other substances through other hollow body organs).

A

Peristalsis

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16
Q

Muscular tube extending from the region posterior to the nasal cavities to the esophagus.

A

Pharynx

17
Q

Elevations or ridges, as in stomach mucosa.

A

Rugae

18
Q

Convoluted tube extending from the pyloric sphincter to the ileocecal valve where it joins the large intestine; the site where digestion is completed and virtually all absorption occurs.

A

Small intestine

19
Q

A circular muscle surrounding an opening; acts as a valve.

A

Sphincter

20
Q

Temporary reservoir in the gastrointestinal tract where chemical breakdown of proteins begins and food is converted into chyme.

A

Stomach

21
Q

One of the fingerlike projections of the small intestinal mucosa that tremendously increase its surface area for absorption.

A

Villus

22
Q

(1) One of the microscopic air sacs of the lungs; (2) tiny milk-producing glandular sac in the breast; (3) tooth socket.

A

Alveolus

23
Q

Receptor in the aortic arch sensitive to changing oxygen, carbon dioxide, and pH levels of the blood.

A

Aortic body

24
Q

1 mm in diameter) branching air passageways inside the lungs.

A

Bronchiole

25
Q

One of the two large branches of the trachea that leads to the lungs.

A

Bronchus

26
Q

A receptor in the common carotid artery sensitive to changing oxygen, carbon dioxide, and pH levels of the blood.

A

Carotid body

27
Q

(1) Any partition or wall separating one area from another; (2) a muscle that separates the thoracic cavity from the lower abdominopelvic cavity.

A

Diaphragm

28
Q

Elastic cartilage at the back of the throat; covers the opening of the larynx during swallowing.

A

Epiglottis

29
Q

Opening between the vocal cords in the larynx.

A

Glottis

30
Q

Exchange of gases between blood and tissue fluid and between tissue fluid and cells.

A

Internal respiration

31
Q

Cartilaginous organ located between the trachea and the pharynx; voice box.

A

Larynx

32
Q

Oxygen-bound form of hemoglobin.

A

Oxyhemoglobin

33
Q

Muscular tube extending from the region posterior to the nasal cavities to the esophagus.

A

Pharynx

34
Q

Two layers of serous membrane that line the thoracic cavity and cover the external surface of the lung.

A

Pleurae

35
Q

The processes involved in supplying the body with oxygen and disposing of carbon dioxide.

A

Respiration

36
Q

Secretion produced by certain cells of the alveoli that reduces the surface tension of water molecules, thus preventing the collapse of the alveoli after each expiration.

A

Surfactant

37
Q

Windpipe; cartilage-reinforced tube extending from larynx to bronchi.

A

Trachea

38
Q

The volume of air that can be expelled from the lungs by forcible expiration after the deepest inspiration; total exchangeable air.

A

Vital capacity