Cardiovascular System Blood Components and Blood Flow

Question 1

Blood Flow Step 1

Answer 1

From the right atrium, oxygen-poor blood from all tissues except the lungs flows through the tricuspid valve to the right ventricle

Question 2

Blood Flow Step 2

Answer 2

Right ventricle pumps oxygen-poor blood through the pulmonary semilunar valve, into the pulmonary artery, which carries it to the lungs

Question 3

Blood Flow Step 3

Answer 3

Left atrium receives oxygen-rich blood from the lungs through the pulmonary veins, blood flows out of the LA, through the mitral valve and into the left ventricle

Question 4

Blood Flow Step 4

Answer 4

Left ventricle receives oxygen-rich blood from the left atrium, blood flows out of the LV through the aortic semilunar valve and into the aorta, which carries it to all parts of the body, except the lungs

Question 5

Blood Flow Step 5

Answer 5

Oxygen-poor blood is returned by the venae cavae to the right atrium and the cycle continues

Question 6

Plasma

Answer 6

contains nutrients, hormones, and waste products

Question 7

Erythrocytes

Answer 7

red blood cells produced by red bone marrow

Question 8

Leukocytes

Answer 8

white blood cells that protect the body against harmful invaders

Question 9

Neutrophils

Answer 9

formed in the red blood cells fight infection by engulfing and swallowing germs

Question 10

Basophils

Answer 10

formed in the red bone marrow, promote the inflammatory response

Question 11

Eosinophils

Answer 11

formed in the red bone marrow, increase response to allergic reactions

Question 12

Lymphocytes

Answer 12

formed in the red bone marrow, lymph nodes, and spleen, protect body against disease

Question 13

Thrombocytes

Answer 13

also known as platelets, importance in the clotting of blood

Question 14

Atherosclerosis

Answer 14

hardening and narrowing or the arteries due to a buildup of cholesterol