Chapter 7: Diseases and Disorders of the Blood

Question 1

what is the purpose of blood?

Answer 1

to transport oxygen, water, nutrients, proteins, hormones, cells, carbon dioxide and waste

Question 2

what are the components of blood

Answer 2

plasma, erythrocytes (RBC), leukocytes (WBC), and platelets

Question 3

what does plasma consist of?

Answer 3

water, nutrients, ions, clotting factors, hormones, albumin, antibodies/immunoglobulin and waste

Question 4

explain erythrocytes

Answer 4

AKA RED BLOOD CELLS

• made in bone marrow
• no nucleus
• biconcave shape
• carry oxygen via hemoglobin protein

Question 5

what is hemoglobin?

Answer 5

heme: iron rich molecule
globin: protein
- binds oxygen (and carbon dioxide)