Topic 8 / Lesson 1 Practice sheet # 4.1

A tissue is made up of a group of

• cells

• organs

• organ systems

What is the function of the respiratory system?

• It takes in oxygen from the air and delivers it to all body cells.

• It pumps blood to the whole body

The brain is a muscular organ that pumps blood throughout your body.

• True

• False

Arteries take the blood to all body cells.

• True

• False

This diagram shows :

• The circulatory system

• The respiratory system

The circulatory system and the respiratory system work together.

• True

• False

Which of the following are blood vessels?

Choose 2 answers.

• Lungs

• Arteries

• Veins

• Skull

Blood is pumped by the heart through arteries to all body cells, and veins return blood from cells to the heart.

• True

• False

The tiny blood vessels are called

• arteries

• veins

• capilleries

The respiratory system moves blood to all parts of the heart.

• True

• False