digestion, absorption, and metabolism Flashcards

(53 cards)

1
Q

absorption

A

the passage of nutrients into the blood or lymphatic system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

adipose tissue

A

fat tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

aerobic metabolism

A

combining nutrients with oxygen within the cell (oxidation)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

basal metabolism rate (BMR)

A

the amount of calories (energy) your body requires to perform involuntary functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

bile

A

made by the liver and stored in the gallbladder
bile helps digest fats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

bolus

A

chewed up chunk of food (food in the mouth ready to be swallowed)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

bomb calorimeter

A

machine that measures the amount of energy in food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

calorie

A

the amount of energy in food (kcal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

capillaries

A

tiny blood vessels connecting veins and arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

cardiac sphincter

A

muscle at the base of the esophagus

prevents acid reflux from going into the esophagus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

catabolism

A

the breakdown of compounds during metabolism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

catalyst

A

a substance that causes another substance to react

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

chemical digestion

A

chemical changing of food during digestion

caused by hydrolysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

cholecystokinin (CCK)

A

hormone that triggers the gallbladder to release stored bile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

chyme (kime)

A

food mass mixed with juices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

colon

A

large intestine
responsible for absolving excess water from digested food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

digestion

A

the breakdown of food in the body to prepare it for absorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

duodenum

A

first part of the small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

energy balance

A

eating the same amount of calories that your body needs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

energy requirement

A

the number of calories your body needs in a 24h period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

enzymes

A

protein causing chemical reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

esophagus

A

10 inch tube leading from the mouth to the stomach

23
Q

feces

24
Q

fundus (of stomach)

A

upper part of the stomach

25
gastic juices
digestive secretions of the stomach made up of hydrochloric acid, pepsin, and mucus (++rennin and gastric lipase in kids)
26
gastrin
hormone related by the stomach that stimulates secretion of gastric acid
27
gastrointestinal (GI) tract
digestive system
28
hormones
chemical messenger
29
hydrolysis
the process of water being added to break down molecules
30
ileum
last part of the small intestine
31
jejunum
middle part of the small intestine
32
kilocalorie (kcal)
same as calorie
33
Krebs cycle
a series of enzymatic reactions that serve as the main source of cellular energy
34
lactase
enzyme responsible for breaking down lactose
35
lacteals
lymphatic vessels in the small intestine that absorb fatty acids and glycerol
36
lean body mass
amount of muscle in your body
37
lymphatic system
transports fat soluble substances from the small intestine to the vascular system
38
maltase
enzyme responsible for breaking down maltose
39
mechanical digestion
part of digestion needed mechanical movements such as chewing, swallowing, and peristalsis
40
metabolism
use of food by the body after digestion --> energy
41
pancreas
gland that secrets enzymes
42
pancreatic amylase
pancreatic enzyme found in the small intestine breaks down starch into simple sugars
43
pancreatic lipase
pancreatic enzyme found in the small intestine breaks down fats into fatty acids
44
pancreatic proteases
enzymes secreted by pancreas to digest proteins
45
pepsin
stomach enzyme that digests proteins
46
peptidases
enzyme secreted by the pancreas in the small intestine to break down proteins
47
pylorus
last part of the stomach
48
resting energy expenditure (REE)
same a BMR
49
saliva
solution secreted by salivary glands contains salivary amylase
50
salivary amylase
enzyme found in salivas to start breaking down starch
51
secretin
hormone that triggers the pancreas to make sodium bicarbonate to neutralize acidity of the chyme
52
sucrase
enzyme secreted by the small intestine to break down sucrose
53
villi
tiny hairlike structures in the small intestine that absorb fatty acids and glycerol