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science

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Human system is made up_________________.

a)

around 37 billion cells

b)

around 37 trillion cells.

c)

around 37 million cells

d)

unicellular

2.

About 60% of the human body is made up of ________.

a)

salt

b)

oil

c)

bones

d)

water

3.

The largest of the human internal organs is _______.

a)

lungs

b)

heart

c)

the large intestine

d)

the small intestine

4.

What are the limbs?

a)

arms and legs

b)

lungs and heart

c)

arms and neck

d)

brain and legs

5.

What body system is made up of bones, ligaments, and tendons?

a)

skeletal system

b)

digestive system

c)

nervous system

d)

immune system

6.

What should you drink to make your bones stronger?

a)

Milk

b)

water

c)

soda

d)

energy drinks

7.

What hard mineral is the main element in our bones?

a)

magnesium

b)

calcium

c)

iron

d)

amino acid

8.

How many bones are in the human body?

a)

270

b)

196

c)

206

d)

306

9.

What is in the center of our bones?

a)

Bone Morrow

b)

Ribs

c)

limbs

d)

cartilage

10.

the skull protects the ________ and the _________ protects our heart and lungs.

a)

brain- rib cage

b)

rib cage- brain

c)

heart- rib cage

d)

brain- lungs