Circulatory System

Question 1

What are the two “sub”systems that make up the Circulatory System?

Answer 1

Cardiovascular System and Lymphatic System

Question 2

What two components make up the CVS?

Answer 2

Heart and BVs

Question 3

What are the two circuits of the heart?

Answer 3

Pulmonary and Systemic

Question 4

Which circuit pumps deoxygenated blood out of the heart to the lungs?

Answer 4

Pulmonary

Question 5

Which circuit pumps oxygenated blood from the lungs to the heart?

Answer 5

Systemic

Question 6

What structure receives blood from the arms and head/neck?

Answer 6

Superior Vena Cava

Question 7

What structure receives blood from the legs and the belly?

Answer 7

Inferior Vena Cava

Question 8

What structure pumps blood back to body from the heart?

Answer 8

Aorta

Question 9

How does blood get from the right atrium to the right ventricle?

Answer 9

Via Tricuspid valve

Question 10

How does blood get from the right ventricle to the lungs?

Answer 10

Pulmonary valve

Question 11

Blood goes from the right ventricle to the lungs via what structure(s)?

Answer 11

Right and Left Pulmonary Arteries

Question 12

When CO2/O2 Exchange occurs in the lungs, this deoxygenated blood is then pumped back to the heart via what structure(s)?

Answer 12

Right and Left Pulmonary veins

Question 13

To what chamber of the heart do the pulmonary veins dump into?

Answer 13

Left Atrium

Question 14

Blood pumps from the left atrium to the left ventricle via what structure?

Answer 14

Mitral valve

Question 15

For blood to pump from the left ventricle to aorta, what structure must it pass through?

Answer 15

Aortic valve

Question 16

What structure of the heart pumps blood from the heart to the body?

Answer 16

Aorta

Question 17

What structure pumps blood away from the heart?

Answer 17

Arteries

Question 18

What structure pumps blood towards the heart?

Answer 18

Veins

Question 19

Indicate the pathway of the blood from the heart back to the heart.

Answer 19

Oxygenated blood out via arteries -> arterioles -> capillaries -> capillary bed -> venules -> small veins -> large veins (SVC/IVC) deoxygenated blood -> heart

Question 20

What are the three layers of BVs in order of inner to outer lining?

Answer 20

1. Tunica intima (endothelium) 2. tunica media (Smooth muscle) 3. tonica adventitia (connective tissue layer/sheath)

Question 21

What are some variations of the CVS that can occur?

Answer 21

Arteriosclerosis, MI, stroke, Ischemia, varicose veins

Question 22

What is the lymphatic system?

Answer 22

Provides the drainage of surplus tissue fluid and leaked plasma proteins to the bloodstream and removal of debris from cellular decomposition and infection

Question 23

What is the watery fluid that goes through the LS?

Answer 23

Lymph

Question 24

What is the flow through the LS, essentially?

Answer 24

Blood capillaries -> ISF -> lymph capillaries -> Lymphatic vessels -> lymph nodes -> lymph trunks -> Lymphatic Ducts -> Jugular/Subclavian Junction

Question 25

What part of the body does the Right Lymphatic Duct filter?

Answer 25

upper right quadrant (R side of head, neck and thorax)

Question 26

What part of the body does the Left Lymphatic Duct filter?

Answer 26

the remainder of the body

Question 27

What organs are associated with the lymphatic system?

Answer 27

Thymus, Spleen, tonsils, lymph nodes