Circulation Review

What percentage of plasma is made up of water?

• 100%
• 90%
• 45%
• 55%

Who am I?
Two million of my kind DIE every second!

• white blood cells
• red blood cells
• platelets
• plasma nutrients

Which component of blood is responsible for helping to stop bleeding?

• platelets
• red blood cells
• white blood cells
• plasma

For every 1 white blood cell, there are ________ red blood cells.

• 500-1000
• 50-100
• 5000-10,000
• there are the same number of each type of blood cell in the body

Which component of blood is responsible for carrying oxygen?

• red blood cell
• white blood cell
• platelets
• plasma

Where are blood cells produced in the body?

• the heart
• bone marrow
• the brain
• in the blood

Red blood cells are made up mostly of this protein. (Hint: Oxygen attaches to it.)

• fibrin
• hemoglobin
• carbon dioxide
• platelets

The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.

• red blood cells
• white blood cells
• plasma
• platelets

What is the function of a white blood cell?

• find and destroy disease-causing organisms
• deliver oxygen to body cells
• helps clot blood (stops bleeding)
• helps the blood components flow throughout the body

Which part of human blood carries hormones and nutrients?

• plasma

• platelets

• red blood cells

• white blood cells