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Topic 2: Lesson 3

Total questions: 50

Worksheet time: 29mins

Name
Class
Date
1.
Where does chemical digestion begin?
a)

mouth

b)

esophagus

c)

stomach

d)

small intestine

e)

large intestine

2.

Where does absorption of nutrients occur in the digestive system?

a)

small intestine

b)

large intestine

c)

stomach

d)

epiglottis

e)

mouth

3.

Which structure/organ makes bile?

a)

Stomach

b)

Pancreas

c)

Liver

d)

Mouth

e)

Gallbladder

4.

____________ is when smooth muscles of the digestive system contract to gently move food throughout it.  It first starts to move food down through the esophagus.

a)

bolus

b)

peristalsis

c)

ulcer

d)

amylase

5.

Where does mechanical digestion occur in the digestive system?

a)

Pancreas and Liver

b)

Mouth and Small Intestine

c)

Stomach and Small Intestine

d)

Mouth and Stomach

e)

Mouth, Stomach, and Small Intestine

6.

As waste moves through the digestive system, the ______ absorbs water before storing waste in the rectum to prepare it for elimination.

a)

Small intestine

b)

Stomach

c)

Esophagus

d)

Large intestine

7.

Digestion begins in the _____.

a)

stomach.

b)

esophagus.

c)

epiglottis

d)

mouth.

e)

small intestine.

8.

Why do we need food to digest the food we eat?

a)

So it can fit into our stomachs

b)

So our bodies can acquire the nutrients from the food

c)

So liquids can be separated from solids

d)

So that our bodies' enzymes have something to do.

9.

Chewing is an example of what type of digestion?

a)

Dental

b)

Fragmentary

c)

Chemical

d)

Mechanical

10.

What produces the enzyme amylase?

a)

Salivary Glands

b)

Stomach

c)

Pancreas

d)

Small Intestine

e)

Liver

11.

What is the main function of villi?

a)

They move food from the stomach to the small intestine

b)

They absorb nutrients into the bloodstream

c)

They absorb water from undigested waste

d)

They move food from the small intestine to the large intestine

12.
Stores bile
a)

pancreas

b)

liver

c)

stomach 

d)

gallbladder

13.

This is where digestion is finished.

a)

large intestine

b)

rectum

c)

anus

d)

small intestine

14.
Breaking food down with the use of enzymes is known as:
a)

Chemical Digestion

b)

Mechanical Digestion

15.
Peristalsis refers to
a)
one of the digestive organs
b)
the action of the stomach
c)
heart rate increasing
d)
smooth muscles moving food through the digestive system
16.

What is the name of the flap that prevents food from entering your trachea/lungs?

a)

epiglottis

b)

tongue

c)

pancreas

d)

chyme

17.
The main purpose of the large intestine.
a)
absorb hormones
b)
absorb protein
c)
absorb nutrients
d)
absorb water
18.

What churns food and breaks it down further using strong acids and pepsin?

a)

Stomach

b)

Salivary glands

c)

Liver

d)

Mouth

e)

Small Intestine

19.

Where does the most chemical digestion occur?

a)

Stomach

b)

Esophagus

c)

Small intestine

d)

Mouth

20.
What produces the bile used to break down fats?
a)

Liver

b)

Large Intestine

c)

Mouth

d)

Small Intestine

e)

Gallbladder

21.
What is the definition for ingestion?
a)
Breaking down food into smaller nutrients
b)
Getting rid of waste products
c)
Getting food into our bodies
d)
Getting nutrients into our bloodstream, so that our cells can use them
22.
What is the definition for digestion?
a)
Breaking down food into smaller nutrients
b)
Getting rid of waste products
c)
Getting food into our bodies
d)
Getting nutrients into our bloodstream, so that our cells can use them
23.
What is the definition for absorption?
a)
Breaking down food into smaller nutrients
b)
Getting rid of waste products
c)
Getting food into our bodies
d)
Getting nutrients into our bloodstream, so that our cells can use them
24.
What is the definition for elimination?
a)

Breaking down food into smaller nutrients

b)

Getting rid of undigested waste products

c)

Getting food into our bodies

d)

Getting nutrients into our bloodstream, so that our cells can use them

25.

Which lists the order of digestion correctly from food entering the digestive system to undigested materials leaving it?

a)

Digestion

Absorption

Ingestion

Elimination

b)

Elimination

Absorption

Digestion

Ingestion

c)

Ingestion

Digestion

Absorption

Elimination

d)

Absorption

Digestion

Ingestion

Elimination

26.

Where are nutrients absorbed into the blood and what feature absorbs the nutrients?

a)

esophagus, smooth muscle

b)

small intestine, villi

c)

stomach, mucus lining

d)

mouth, salivary glands and tissues

27.
Chewing, grinding, and churning are examples of...
a)
mechanical digestion
b)
chemical digestion
28.
Which organ does most of the chemical digestion of food and allows nutrients to be absorbed into the body?
a)
stomach
b)
esophagus
c)
small intestine
d)
liver
29.

Which part/structure prevents food from entering the trachea?

a)

The tonsils

b)

The tongue

c)

The wind pipe

d)

The epiglottis

30.

The stomach completes what types of digestion?

a)

Does chemical digestion only

b)

Does mechanical digestion only

c)

Does both chemical and mechanical digestion

d)

Starts the chemical digestion of starchy foods

31.

What produces the enzyme Pepsin?

a)

Salivary Glands

b)

Stomach

c)

Pancreas

d)

Small Intestine

e)

Liver

32.

What produces the enzyme Lipase/Trypsin?

a)

Salivary Glands

b)

Stomach

c)

Pancreas

d)

Small Intestine

e)

Liver

33.

What produces the chemical bile?

a)

Salivary Glands

b)

Stomach

c)

Pancreas

d)

Small Intestine

e)

Liver

34.

What are enzymes?

a)

simple carbohydrates

b)

proteins that speed up chemical digestion

c)

lipids that make up the cell membrane

d)

a building block of DNA

35.

What is the main purpose of the large intestine?

a)

it absorbs hormones

b)

it absorbs nutrients

c)

it absorbs water

d)

it absorbs proteins

36.

What type(s) of digestion occur in the mouth?

a)

Mechanical

b)

Chemical

c)

Both

d)

Neither

37.

What type(s) of digestion occur in the stomach?

a)

Mechanical

b)

Chemical

c)

Both

d)

Neither

38.

What type(s) of digestion occur in the small intestine?

a)

Mechanical

b)

Chemical

c)

Both

d)

Neither

39.

What is the purpose of humans ingesting food (eating)?

a)

To provide oxygen to the body

b)

To provide nutrients to the body

c)

To rid the body of waste

d)

To remove harmful materials from our surrounding ecosystem

40.

Which type of muscle are your internal organs made mostly of?

a)

Skeletal

b)

Smooth

c)

Cardiac

41.

What is the main function of digestion?

a)

The contraction and relaxation of muscle to increase and decrease the volume of the lungs

b)

The production of hormones that will move through the bloodstream to assist in controlling and coordinating bodily functions

c)

To provide lymph nodes with the materials required for a proper defense system

d)

To breakdown food into nutrients so that they are able to be absorbed into the body at the small intestine

42.

What enzyme/chemical works to break down lipids (fats)? *Choose all that apply!*

a)

Bile

b)

Trypsin

c)

Amylase

d)

Lipase

e)

Pepsin

43.

What enzyme/chemical works to break down proteins? *Choose all that apply!*

a)

Bile

b)

Trypsin

c)

Amylase

d)

Lipase

e)

Pepsin

44.

What enzyme/chemical works to break down carbohydrate starches? *Choose all that apply!*

a)

Bile

b)

Trypsin

c)

Amylase

d)

Lipase

e)

Pepsin

45.

What are nutrients?

a)

The cells in the body that perform defense

b)

The materials that are used to create energy and carry out life functions

c)

The chemical messengers that are created by glands

d)

The chemicals that are created within the digestive system to breakdown food

46.

Which nutrient helps build (grow), maintain, and repair body cells and tissues?

a)

Protein

b)

Water

c)

Carbohydrates

d)

Lipids

e)

Vitamins

47.

A nutrient the body cannot manufacture (inorganic), so it must be ingested, and it helps with chemical processes in the body.

a)

Minerals

b)

Lipids

c)

Vitamins

d)

Water

e)

Carbohydrates

48.
Which nutrient is our body's MAIN source of energy?
a)
Carbohydrates
b)
Fats
c)
Water
d)
Minerals
49.

Which nutrient helps insulate our bodies, protects internal organs, and is an alternate source of energy, providing up to 2x's the amount of our main source of energy when needed?

a)

Carbohydrates

b)

Minerals

c)

Water

d)

Lipids

e)

Proteins

50.

Why is water the most important nutrient?

a)

It provides the body with energy

b)

It is a great dissolver and allows chemical reactions to occur

c)

It is used during the process of chemical digestion

d)

It is used for growth and repair of cells and tissues around the body

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