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G7 UWCSEA Digestion

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

Nutrients from food are diffused to the blood through which part

a)

cappilaries

b)

liver

c)

intestine

d)

villi

2.

All of the following are part of the digestive system except?

a)

stomach

b)

rectum

c)

large intestine

d)

kidney

3.
Where does digestion begin?
a)
Mouth
b)
Stomach
c)
Small Intestine
d)
Large Intestine
4.

Tube that connects mouth to stomach

a)

Esophagus

b)

Chemical Digestion

c)

Bile

d)

Stomach

5.

This is where mechanical and chemical digestion happens, (start breaking down carbs)

a)

Mouth

b)

Small Intestine

c)

Large intestine

d)

Liver

6.

Stores waste, absorbs water

a)

Small Intestine

b)

Large Intestine

c)

Gall Bladder

d)

Esophagus

7.

Process of breaking down into smaller pieces (chewing)

a)

Mechanical Digestion

b)

Chemical Digestion

c)

Bile

d)

Esophagus

8.

Acidic environment, breaks down proteins

a)

Large Intestine

b)

Small Intestine

c)

Esophagus

d)

Stomach

9.

Hydrochloric acid is secreted in the

a)

oesophagus

b)

stomach

c)

small intestine

d)

large intestines

10.

Which of the following is the correct order for the major parts of the gastrointestinal tract (digestive system)?

a)

oesophagus, stomach, large intestine, small intestine, mouth

b)

mouth, stomach, oesophagus, large intestine, small intestine

c)

mouth, small intestine, stomach, oesophagus, large intestine

d)

mouth, oesophagus, stomach, small intestine, large intestine

11.
Which digestive organ churns food with muscular contractions and also contains strong acid?
a)
Oesophagus
b)
Stomach
c)
Small intestine
d)
Large intestine
12.
The key difference between physical and chemical digestion is that chemical digestion involves:
a)
mixing substances together
b)
grinding, mashing or churning
c)
the formation of new substances
d)
bile produced by the liver
13.
Tube that carries swallowed food to the stomach
a)
esophagus
b)
liver
c)
pancreas
d)
rectum
14.
Which of the following nutrients is important for body, cell, and muscle growth and repair?
a)
vitamins
b)
fats
c)
proteins
d)
carbohydrates
15.
Which of the following nutrients provides energy to the body?
a)
carbohydrates
b)
vitamins
c)
water
d)
minerals
17.
What is the main reason for eating a wide variety of foods? 
a)
to learn the food label
b)
to provide all the nutrients you need 
c)
to keep from getting bored with your diet 
d)
to help improve physical fitness 
17.
What is the main reason for eating a wide variety of foods? 
a)
to learn the food label
b)
to provide all the nutrients you need 
c)
to keep from getting bored with your diet 
d)
to help improve physical fitness 
18.
Type of digestion in the stomach:
a)
Mechanical
b)
Chemical
c)
Both
19.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
20.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
21.
Number 4 is pointing to the....
a)
Anus
b)
Rectum
c)
Large Intestine
d)
Small intestine
22.
Number 3 is pointing to the...
a)
Small intestine
b)
Rectum
c)
Large intestine
d)
Stomach
23.
Number 2 is pointing to the...
a)
Esophagus
b)
Stomach
c)
Small intestine
d)
Anus
24.
Which body system gets ride of solid waste?
a)
Excretory (Urinary)
b)
Digestive
c)
Circulatory
d)
Respiratory
25.
As waste moves through the digestive system, the ______ absorbs water before storing waste in the rectum.
a)
Small intestine
b)
Stomach
c)
Esophagus
d)
Large intestine
26.
What is the substance found in the stomach that allows for chemical digestion to take place?
a)
Gastric Juices
b)
Saliva
c)
Bile
27.
The opening at the end of the digestive system where solid waste comes out is the...
a)
rectum
b)
anus
c)
mouth
d)
large intestine
28.
Number 7 is pointing to...
a)
Mouth
b)
Esophagus
c)
Small intestine
d)
rectum
29.
Fingerlike extensions of the small intestine that increase the surface area for absorption
a)
bronchi
b)
alvioli
c)
villi
d)
chyme
30.
A type of protein that speeds up a chemical diagestion
a)
enzyme
b)
villi
c)
alveoli
d)
capillary
31.

Which is an enzyme involved in the digestion of proteins in the stomach?

a)

amylase

b)

bile

c)

lipase

d)

protease

32.

The diagram represents a protein molecule.

What do the small circles represent?

a)

amino acids

b)

fatty acids

c)

glycerol

d)

simple sugars

33.

A simple carbohydrate that serves as a major source of energy for your body is

a)

Glucose

b)

Vitamin K

c)

Fiber

d)

Giant Turkey Leg from Six Flags

34.

A substance that speeds up chemical reactions in your body is called a(n)

a)

starch

b)

sugar

c)

enzyme

d)

plasma

35.

The enzyme in saliva that breaks down starches is:

a)

Glycogen

b)

Amylase

c)

Pepsin

d)

Actin

36.

Absorption is the process of breaking food down into smaller molecules.

a)

True

b)

False

37.
This is the process of nutrients leaving your digestive system and moving into your blood, carrying nutrients to the rest of your body.  
a)
Absorption
b)
Acidification
c)
Digestion
d)
Nutrification
38.
This allows more nutrients to be absorbed in your small intestine. 
a)
larger surface area
b)
smaller surface area
c)
nutrient channels
d)
food gradient
39.

Which enzyme breaks down fats and oils in the small interstine?

a)

lipase

b)

amylase

c)

protease

d)

glucose

40.

Enzymes are sensitive to

a)

air

b)

temperature

c)

water

d)

nothing

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