Human Circulatory System Concepts

Select ALL of the functions of the circulatory system.

*THERE ARE MULTIPLE ANSWERS*

• Circulates Blood

• Breaks down food into energy.

• Carries oxygen to all of the cells

• Carries nutrients to all of the cells

What are the two main parts of the circulatory system?

• Lungs and Kidneys

• Brain and Spinal Cord

• Heart and Blood Vessels

• Stomach and Intestines

Which type of blood vessel is the thickest and carries blood away from the heart?

• Veins

• Capillaries

• Arteries

• Lymphatic vessels

Select all of the components that make up your blood.

*THERE ARE MULTIPLE CORRECT ANSWERS*

• Capilleries

• White Blood Cells

• Red Blood Cells

• Platelets

What is the primary function of red blood cells?

• To fight infections

• To clot blood

• To carry oxygen throughout the body

• To transport waste to the kidneys

Which type of blood cell is responsible for protecting the body from illness?

• Red blood cells

• Platelets

• White blood cells

• Plasma

What could potentially happen if your blood did not contain platelets?