san sha

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

Veins carry oxygen poor blood back to the heart.

• False

• True

Arteries carry oxygen rich blood away from the heart.

• True

• False

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

Structure(s) that keep the blood flowing in one direction.

• Valve(s)
• Septum(s)
• Neuron(s)
• Bronchiole(s)

What does Deoxygenated mean?

• Oxygen-rich
• Blood flow
• Oxygen-poor
• Water Flow

The cells in the blood that help fight germs and illnesses are the...

• red blood cells

• platelets

• white blood cells

• axons

Which of the following delivers oxygen to cells?

• Red Blood cells
• White blood cells
• Platelets
• Plasma

Which describes a task performed by the circulatory system?

• creating red blood cells
• sending messages to the brain
• transporting waste materials
• producing energy from food