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(E) Digestive System Concepts

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.

Digestion starts when you place the food in your mouth and start chewing. Once the food is chewed into a paste and you swallow it will enter the_____________.

a)

Small intestines

b)

Lungs

c)

Esophagus

d)

Trachea

2.

What is the last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body?

a)

Large Intestine

b)

Small Intestine

c)

Appendix

d)

Pharynx

3.

What is the J shaped muscular sac-like organ that food enters from the esophagus?

a)

Tongue

b)

Pancreas

c)

Stomach

d)

Gallbladder

4.

When food is chewed, mixed, and churned __________ digestion is taking place.

a)

Chemical

b)

Mental

c)

Emotional

d)

Mechanical

5.

What is the muscular tube that moves food from the mouth to the stomach?

a)

Uvula

b)

Esophagus

c)

Palate

d)

Salivary glands

6.

When food is broken down by enzymes or acid, __________ digestion is taking place.

a)

Chemical

b)

Mental

c)

Emotional

d)

Mechanical

7.

The __________ is where digestion begins.

a)

Stomach

b)

Small Inestine

c)

Mouth

d)

Liver

8.

The liver produces:

a)

bile

b)

ptyalin

c)

hydrochloric acid

9.
A fluid in the mouth that helps digest food.
a)
pepsin
b)
pepsi
c)
saliva
d)
salty
10.

What is this organ?

a)
esophagus
b)
liver
c)
stomach
d)
pancreas
11.

What is this organ?

a)
stomach
b)
pancreas
c)
large intestine
d)
small intestine
12.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
13.

What type of digestion takes place in the stomach?

a)

mechanical

b)

chemical

c)

both mechanical and chemical

14.

Where does the absorption of nutrients from food take place?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

15.

What are the functions of the digestive system? Select ALL that apply:

a)
Break down food into molecules the body can use
b)
Produce hormones that control body temperature and heart rate
c)
Absorb molecules into the blood to be transported around the body
d)
Eliminate wastes from the body
16.

What is the correct order of processes by which nutrients, energy, and waste from food are handled by organisms?

a)
digestion-->absorption-->elimination
b)
elimination-->digestion-->absorption
c)
absorption-->digestion-->elimination
d)
digestion-->elimination-->absorption
17.

The diagram below shows a system in the human body. Four parts of the system are numbered. Which of the following correctly identifies the four numbered parts?

a)

A

b)

B

c)

C

d)

D

18.

This organ produces several enzymes that chemically break down food and regulate blood sugar, food does not pass through this organ

a)

liver

b)

pancreas

c)

gall bladder

d)

stomach

19.

Enzymes in your saliva help break down food, this is an example of ...

a)

Mechanical digestion

b)

Chemical digestion

20.

What is the function of the teeth and tongue

a)

chemical digestion

b)

break down food

c)

mechanical digestion

d)

they only chew food

21.

Which organ churns food and uses acid and enzymes to break down food?

a)

stomach

b)

esophagus

c)

mouth

d)

epiglottis

22.

Where does most absorption of nutrients take place?

a)

Stomach

b)

Small intestine

c)

Large intestine

d)

Gall bladder

23.

What are the functions of the digestive system?

a)

digestion, absorption, elimination

b)

ingestion, congestion, elimination

c)

congestion, digestion, elimination

24.

breaking down food with enzymes

a)

chemical digestion

b)

esophagus

c)

peristalsis

25.

tube connecting the mouth to the stomach

a)

stomach

b)

esophagus

c)

larynx

26.

large muscular sac that continues the mechanical and chemical digestion of food

a)

stomach

b)

small intestine

c)

liver

27.

What happens if one organ of the digestive system is not functioning properly?

a)

We will not be able to digest food properly.

b)

We will have no problems.

c)

It will only affect my digestive system, but not other body systems.

28.

Why do we need to break apart the food we eat?

a)

So it can fit into our stomachs

b)

So our bodies can use the nutrients from the food

c)

So liquids can be separated from solids

d)

So that our bodies' enzymes have something to do.

29.

What might happen if your large intestine did not absorb water from chyme?

a)

You couldn't digest food.

b)

You wouldn't be able to go to the bathroom.

c)

You would become dehydrated.

d)

Solid waste would not be able to move throughout the digestive system

30.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine