The circulatory system

The heart _____ every day, non-stop.

Tags

NGSS.MS-LS1-3

What system does the circulatory system work with best?

• Respiratory

• Digestive

• Nervous

• Skeletal

Answer explanation

The heart pumps blood to the lungs, with O2 filled air, and with CO2 filled air through the second cycle.

The heart has _ atriums

• 6

• 14

• 2

• 3

The bigger the animal, the slower the heartbeat. The smaller the animal, the ______ the heartbeat.

How many layers are in a blood vessel?

• 1

• 22

• 8

• 3

• 16

How many times do you think your heart beats in gym?

The Heart is what type of muscle?

• Smooth & Involuntary

• Skeletal & Voluntary

• A sheet muscle and Involuntary

White blood cells _____ ___ infection.

• Fight off

• Gets nutrients

• Makes blood clot

• White blood cell = fried chicken

True or False: Veins carry co2 blood

• True

• False

Can the blood cells stay in the body for 3 years?

• Yes!

• No!