Composition of Blood

Blood is a ______ that circulates around through the blood

• plasma

• marrow

• tissue

• RBC's

The average adult has about __ pints of blood

• 5

• 10

• 15

• 20

Blood is made up of __% blood cells

• 45

• 55

• 35

• 25

Plasma makes up __% of blood

• 45

• 55

• 65

• 75

What is made in the bone marrow?

• blood cells

• nutrients

• plasma

• collagen

Red Blood Cells (RBC's) are also known as

• leukocytes

• erythrocytes

• thrombocytes

Hemoglobin is found in RBC's and carries oxygen and carbon dioxide

• True

• False

Hemoglobin is a(n) _______ containing protein

• magnesium

• calcium

• sodium

• iron

Red blood cells have a nucleus

• True

• False

White blood cells are the only blood cells that contain DNA

• True

• False