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7th IIIB ACTIVITY THE DIGESTIVE SYSTEM

Total questions: 31

Worksheet time: 16mins

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

21.

The teeth and tongue of the oral cavity break foodstuff down physically. This is an example of

a)

mechanical digestion

b)

chemical digestion

c)

absorption

d)

peristalsis

22.

Which organ makes bile to help break down fats?

a)

liver

b)

gallbladder

c)

pancreas

23.

What is the digestive system?

a)

A system to take out the bad stuff that's in your body

b)

A system where a certain group of organs work together to convert food into energy to feed the body

c)

A system where certain organs in the body digest the food you eat

d)

A system that the organs in the stomach make food for the body to digest.

24.

Which is the esophagus?

a)

A

b)

B

c)

C

d)

D

e)

E

25.

Which parts of the diagram is the small and large intestine?

a)

A~ small intestine

E~ large intestine

b)

D~ small intestine

E~ large intestine

c)

C~ large intestine

B~ small intestine

d)

A~ large intestine

C~ small intestine

e)

E~ small intestine

D~ large intestine

26.

Which digestive system organ is this?

a)

pancreas

b)

esophagus

c)

stomach

d)

liver

27.

What is the main function of the (hilly) villi?

a)

They move food from the stomach to the small intestine

b)

They absorb nutrients into the bloodstream

c)

They absorb water from chyme

d)

They move food from the small intestine to the large intestine

28.

Which organ prevents food from entering the windpipe?

a)

The uvala

b)

The tongue

c)

The trachea

d)

The epiglottis

29.

The partly-digested food in the stomach leaves to enter

a)

The gullet

b)

The appendix

c)

The small intestine

d)

The large intestine

30.
What is the food tube called?
a)
mouth
b)
esophagus
c)
liver
d)
stomach
31.

the PARTS of the small intestine that helps absorb digested food

a)

stomach

b)

villi