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g8 digestive system

Total questions: 35

Worksheet time: 1hrs 10mins

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.

The acid in our stomach is powerful enough to break down metals like aluminum, how does our stomach protect itself from the acid within it?

a)

our stomachs are coated with a layer of mucus that protects its from the acid

b)

our stomachs are made of a special tissue that is resistant to acid

c)

our stomachs regenerate faster than the acids ability to break down tissue

d)

because it the stomach is basic

3.

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

4.

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

a)

Tongue

b)

Pancreas

c)

Stomach

d)

Gallbladder

5.

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

a)

Chemical

b)

Mental

c)

Emotional

d)

Mechanical

6.

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

a)

Uvula

b)

Esophagus

c)

Palate

d)

Salivary glands

7.

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

a)

Chemical

b)

Mental

c)

Emotional

d)

Mechanical

8.

The __________ is where digestion begins.

a)

Stomach

b)

Small Inestine

c)

Mouth

d)

Liver

9.

The liver produces:

a)

bile

b)

ptyalin

c)

hydrochloric acid

10.
A fluid in the mouth that helps digest food.
a)
pepsin
b)
pepsi
c)
saliva
d)
salty
11.

What is this organ?

a)
esophagus
b)
liver
c)
stomach
d)
pancreas
12.

What is this organ?

a)
stomach
b)
pancreas
c)
large intestine
d)
small intestine
13.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
14.

What type of digestion takes place in the stomach?

a)

mechanical

b)

chemical

c)

both mechanical and chemical

15.

Where does the absorption of nutrients from food take place?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

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.

What breaks food into smaller pieces?

a)

pharynx

b)

tongue

c)

teeth

d)

large intestine

19.
The ______________ is where food is mixed with juices and is squeezed and churned until it becomes a thick liquid. 
a)
esophagus
b)
stomach
c)
small intestine
d)
large intestine
20.

A narrow tube where nutrients are absorbed into the bloodstream is called the ___________.

a)

oesophagus

b)

stomach

c)

small intestine

d)

large intestine

21.

Which part of the digestive system is number 2?

a)

oesophagus

b)

stomach

c)

small intestine

d)

liver

22.

Which part of the digestive system is number 3?

a)

oesophagus

b)

stomach

c)

small intestine

d)

liver

23.

Which part of the digestive system is number 4?

a)

oesophagus

b)

large intestine

c)

small intestine

d)

liver

24.

Which part of the digestive system is number 6?

a)

oesophagus

b)

large intestine

c)

small intestine

d)

liver

25.
Which is NOT a function of the Digestive System?
a)
To rid the body of solid waste
b)
Absorb nutrients for energy & growth
c)
Break down nutrients from food
d)
Pump blood around the body
26.

What is the purpose of digestion?

a)

To get food

b)

To get nutrients

c)

To get oxygen

d)

To get water

27.

What body system is shown in the picture?

a)

Nervous System

b)

Skeletal System

c)

Respiratory System

d)

Digestive System

28.

It is a large coiled tube attached to the end of the small intestine.

a)

mouth

b)

large intestine

c)

small intestine

d)

large intestine

29.

How many permanent teeth does an adult have?

a)

20

b)

28

c)

32

d)

46

30.

What is the function of incisors?

a)

bite

b)

chew

c)

grind

d)

swallow

31.

Which type of teeth is shown in the picture?

a)

Canine

b)

Incisor

c)

Molar

d)

Premolar

32.

What is the function of canines?

a)

Tearing

b)

Cutting

c)

Grinding

d)

All of the above

33.

The molars teeth are use to

a)

tear food

b)

cut food

c)

grind food

34.

How many different types of teeth do humans have?

a)

2

b)

4

c)

6

d)

8

35.

What is the sharpest tooth in your mouth?

a)

premolar

b)

wisdom tooth

c)

canines

d)

incisor