Module 5: The Heart

Question 1

Open Circulatory System -Advantages

Answer 1

1. Simple, easy to maintain
2. Less energy, Lower pressures

Question 2

Open Circulatory Systems - ppt 보기

Answer 2

Hemolmph in sinuses surrounding ograns
e.g. crustacean

Question 3

Closed Circulatory Systems - ppt 보기

Answer 3

Small branch vessels in each organ
e.g. vertebrate

Question 4

Closed Circulatory System - Advantages

Answer 4

1. Higher pressures = increased efficiency for meeting high metabolic demand

Question 5

Describes the human CV System - ppt 꼭보세용..

Answer 5

1. Starting from the Right atrium, the right ventricle pumps the blood to the lung via
2. the pulmonary artery,
3. In the lung occurs gas exchanges via capillaries in both the right lung and left lung (blue: deoxygenated -> red: oxygenated)
4. Then the blood goes back to the Left atrium via the Pulmonary vein 5. The left ventricle pumps blood via the Aorta
5. To the brain and legs; gas exchanges occur at capillaries of the head and forelimbs and capillaries of abdominal organs and hind limbs (Red -> Blue)
6. the blood from the head and leg goes back to the Right atrium

Question 6

판막의 종류 (valves) - 이것도 ppt 참고해주세용,,

Answer 6

Right ventricle, Left ventricle 에 2개씩 있음 토탈4개
1. Semilunar valve
2. Atrioventricular valve - Prevent the backward flow of blood