Human Body

Our spines are made up of 24 bones?

• True

• False

We have ________ pairs of ribs.

• 20

• 30

• 24

• 12

Our bones grow until ________ years of age.

• 20 years

• 40 years

• 10 years

The skull protects our________.

• Kidneys

• Brain

• Heart

Eating foods rich in ________ will help our bones grow strong.

• Vitamins

• Protein

• Calcium

Our arms and legs are made up of long bones with ________ between them to help us move.

• Joints

• Cartilage

• Muscles

What is the main function of the circulatory system?

• to control the blood flow around the body

• to supply blood to the body

• to help us to breathe

Which of the following is not part of the circulatory system?

• arteries

• stomache

• heart

• veins

As blood begins to circulate, it leaves the _________ from the left ventricle and goes into the aorta.

• lungs

• veins

• heart

• brain

The aorta is the largest artery in the body. The blood leaving the aorta is full of ___________

• oxygen

• red blood cells

• white blood cells

• carbon dioxide