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Anatomy and Physiology of Digestion: Terms and Definitions, Quizzes of Biology

Definitions for various terms related to the digestive system, including the alimentary canal, peristalsis, sphincters, absorption, suspension and substrate feeders, ingestion, digestion, absorption, elimination, bolus, salivary glands, larynx, gastric juice, cecum, large intestine, rectum, essential nutrients, cellular respiration, metabolic rate, basal metabolic rate, glycogen, fat, essential fatty acids, essential amino acids, vitamins, minerals, malnutrition, protein deficiency, undernutrition, iron, leptin, low-density lipoproteins, and high-density lipoproteins.

Typology: Quizzes

2011/2012

Uploaded on 03/02/2012

shae-lovesgod12
shae-lovesgod12 🇺🇸

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TERM 1
a digestive tract with 2 openings
DEFINITION 1
alimentary canal
TERM 2
alternating waves of contraction and
relaxation of the smooth muscles lining the
canal
DEFINITION 2
peristalsis
TERM 3
muscular ring-like valves that regulate the
passage of food into and out of the stomach
DEFINITION 3
sphincters
TERM 4
When does absorption
occur
DEFINITION 4
in the small intestines
TERM 5
_____ Sift small organisms or food particles
from water
DEFINITION 5
Suspension feeders
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a digestive tract with 2 openings

alimentary canal

TERM 2

alternating waves of contraction and

relaxation of the smooth muscles lining the

canal

DEFINITION 2

peristalsis

TERM 3

muscular ring-like valves that regulate the

passage of food into and out of the stomach

DEFINITION 3

sphincters

TERM 4

When does absorption

occur

DEFINITION 4

in the small intestines

TERM 5

_____ Sift small organisms or food particles

from water

DEFINITION 5

Suspension feeders

___ Live in or on their food source and eat

their way through it.

Substrate feeders

TERM 7

___ suck nutrient-rick fluids from a living host

DEFINITION 7

Fluid feeder

TERM 8

__ ingest large pieces of food

DEFINITION 8

Bulk feeders

TERM 9

__ Is the act of eating

DEFINITION 9

ingestion

TERM 10

__ is the breaking down of food into solecules

small enough for the body to absorb.

DEFINITION 10

Digestion

What is gastric juice made up of?

1. mucus 2. a protein-digesting enzyme 3. a strong acid with

a pH OFabout 2

TERM 17

a pouch in the large intestine near its junction

with the small intestine, which bears small

fingerlike extensions

DEFINITION 17

cecum

TERM 18

the ___ contains large populations of E.coli

which produces important vitamins, abosrbs

viamins &H2O into the blood streem, and

helps for firm feces

DEFINITION 18

the large intestine

TERM 19

Where feces are stored unntil

elimination

DEFINITION 19

rectum

TERM 20

What must all animal obtain?

DEFINITION 20

1. fuel to power all body activites 2.obtain organic molecules

to build the animal's own molecules 3 obtain essential

nutrients

substances the animal cannot make for

itself

essential nutrients

TERM 22

How does cellular respiration produce the

body's energy to make ATP?

DEFINITION 22

oxidizes organic molecules digested form food and uses

carbohyradets or fats as fuel

TERM 23

the sum of all the energy requiring

biochemical reactions over a given interval of

time.

DEFINITION 23

metabolic rate

TERM 24

___ is the energy a resting animal requires

each day

DEFINITION 24

basal metabolic rate (BMR)

TERM 25

what is excess energy stored as?

DEFINITION 25

glycogen or fat

__ is a chronic deficiency in calories or 1 or

more essential nutrients

Malnutrition

TERM 32

What is the most common type of human

malnutrition?

DEFINITION 32

protein deficiency

TERM 33

__ occurs when diets do not supply sufficent

chemical energy or a person suffers from

anorexia or blimia

DEFINITION 33

undernutrition

TERM 34

__ is needed to make

hemoglobin

DEFINITION 34

Iron

TERM 35

__ is produced by adipose (fat) cells and

suppresses appetite

DEFINITION 35

leptin

What are the two main types of cholesterol

that occurs in the blood?

1. Low-density lipoproteins (LDL) 2. High-density lipoproteins

(HDL)

TERM 37

__ contribute to blocked blood vessels and

higher blood pressure

DEFINITION 37

Low-density lipoproteins (LDL)

TERM 38

__ Helps to reduce blocked blood

vessels

DEFINITION 38

High-density lipoproteins (HDL)