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The Digestive System

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What are the 4 steps of digestion? (in order)

a)

ingestion, digestion, absorption, elimination

b)

digestion, absorption, elimination, ingestion

c)

ingestion, congestion, pregestion, elimination

d)

pre-gestion, congestion, digestion, elimination

e)

hard question, Sugestion, analyzation, pretention

2.

The act of eating or putting food in the mouth

a)

digestion

b)

ingestion

c)

absorption

d)

elimination

3.

The mechanical and chemical breakdown of food into small particles and molecules that your body can absorb and use....

a)

ingestion

b)

elimination

c)

digestion

d)

absorption

4.

Occurs when the cells of the digestive system take in small molecules of digested food

a)

absorption

b)

digestion

c)

elimination

d)

ingestion

5.

the removal of undigested food and other wastes from the body

a)

absorption

b)

elimination

c)

digestion

d)

ingestion

6.

a type of digestion where food is physically broken into smaller pieces...

a)

chemical digestion

b)

mechanical digestion

c)

indigestion

d)

automatic digestion

7.

A type of digestion where chemical reactions break down pieces of food into smaller molecules

a)

mechanical digestion

b)

indigestion

c)

chemical digestion

d)

such thing does not exist

8.

proteins that help break down large molecules into smaller molecules

a)

enzymes

b)

saliva

c)

bili

d)

gastric juice

9.

TRUE or FALSE:

Enzymes speed up, or catalyze the rate of chemical reactions.

a)

FALSE

b)

TRUE

10.

TRUE OR FALSE:

Enzymes change the chemical reaction

a)

TRUE, but not entirely

b)

FALSE, they just speed it up

c)

FALSE, they have no role in chemical reactions

11.

The digestive system produces enzymes that are specialized to help break down each type of

a)

food molecule

b)

chemical reaction

c)

bolus

d)

stool

12.

What are the 2 parts that make up the digestive system?

a)

the digestive tract and the blood vessels

b)

the digestive tract and other organs (such as tongue and liver)

c)

All of the organs of the human body and the mouth

d)

the mouth and the stomach

13.

___________ are enzymes that help break down carbohydrates.

a)

Amylase

b)

Papain

c)

Lipase

d)

Pepsin

14.

___________ are enzymes that help break down fats.

a)

Lipase

b)

Amylase

c)

Papain

d)

Pepsin

15.

________ enzymes that help break down proteins.

a)

Amylase

b)

Lipase

c)

Pepsin

d)

Papain

16.

A muscular tube that connects the mouth and the stomach.

a)

esophagus

b)

liver

c)

small intestine

d)

Gall bladder

17.

Food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions called

a)

peristalsis

b)

homeostasis

c)

sonar waves

d)

tsunami waves

18.

a gastric juice found in the stomach

a)

acidic fluid

b)

pepsin

c)

papain

d)

liver fluid

19.

a thin, watery liquid that forms when food mixes with gastric juices

a)

chyme

b)

gastric juice

c)

papain

d)

enzyme

20.

The folds of the small intestine are covered with fingerlive projections called...

a)

bolus

b)

bile

c)

villi

d)

vicky