Reading Activity: The Heart

This text explains:

• A description of the heart.

• A description of the circulatory system.

• A description of the blood vessels.

The heart is a ______________.

You can compare a heart to:

• 
• 
• 

When the heart beats, the __________________ process occurs.

When blood with oxygen is being pumped, which side is pumping it?

• right side

• left side

• both

Blood vessels run from the _______ to the _______ around the __________ and back to the ___________.

• heart - lungs - heart - body

• heart - lungs - body - heart

• heart - body - heart - lungs

The kidneys are in charge of getting rid of:

• blood

• oxygen

• waste

When the lungs receive blood without oxygen, it receives oxygen from:

• the left side

• the right side

• both

The circulatory system is formed by:

• blood vessels, blood, body

• blood, lungs, heart

• heart, blood vessels, blood

Choose three products that blood carries:

• food

• wastes

• oxygen

• seeds

• water