Circulatory System- Seventh Grade

What does the circulatory system do?

• Controls our body and responses to stimuli.

• Circulates neurons throughout our body.

• Carries food, oxygen and wastes throughout our body.

• Covers our body to keep out dirt and bacteria.

What are the main parts of the circulatory system?

• Heart, lungs, blood vessels.

• Heart, blood vessels, blood

• Lungs, blood vessels, blood.

• Veins, arteries, capillaries

What do red blood cells do?

• Carry oxygen, carbon dioxide, nutrients (food) and wastes.

• Fight infection.

• Control reflexes

• Stop bleeding by forming clots.

What do white blood cells do?

• Carry oxygen, carbon dioxide, nutrients (food) and wastes

• Fight infection.

• Control reflexes

• Stop bleeding by forming clots

What do platelets do?

• Carry oxygen, carbon dioxide, nutrients (food) and wastes

• Control reflexes

• Fight infection.

• Stop bleeding by forming clots

The heart is made of _____________________________ tissue.

• cadillac muscle

• cardiac muscle

• concilliac muscle

• kleenex

____________________________ carry oxygenated blood to the body.

• Arteries

• Veins

• Capillaries

• Neurons

__________________ carry deoxygenated blood from the body.

• Arteries

• Veins

• Capillaries

• Neurons

_____________________________ are tiny, often microscopic blood vessels that connect arteries to veins, and allow oxygen to reach the cells, and absorb carbon dioxide and wastes.

• Arteries

• Veins

• Red blood cells

• Capillaries

What kind of muscle tissue allows blood vessels to expand and contract?

• Skeletal muscle tissue

• Cardiac muscle tissue

• Smooth muscle tissue

• Vesseliferous tissue