How Do Things Get Around The Body 6

Question 1

Artery

Answer 1

A blood vessel that carries blood away from the heart

Question 2

Atrioventricular (AV) valve

Answer 2

A valve located in between the atrium and ventricle. Prevents backflow of blood from ventricle to atrium.

Question 3

Atrium

Answer 3

Superior heart chambers – right or left.

Question 4

Capillary

Answer 4

The smallest and most common blood vessel type. Gas and nutrient exchange occurs across the walls of the capillaries.

Question 5

Chordae tendinae

Answer 5

Small chord like tendons that act to open and close the AV valves

Question 6

Lumen

Answer 6

The inner space of a blood vessel (or other tubular structure).

Question 7

Mediastinum

Answer 7

Central cavity located in the thorax, contains the heart, thymus and large blood vessels.

Question 8

Papillary muscle

Answer 8

Small cone shaped muscles that act to open and close the AV valves

Question 9

Parietal pericardium

Answer 9

Part of the serous pericardium, the outer membrane lining the fibrous pericardium.

Question 10

Pericardium

Answer 10

The heart is located within the pericardium, which consists of the outer fibrous pericardium and the inner serous pericardium.

Question 11

Pulmonary circulation

Answer 11

The system of blood vessels carrying blood from the right ventricle of the heart to the lungs and back to the left atrium.

Question 12

Semilunar valve

Answer 12

Small cup like valves located in the pulmonary trunk (right) and aorta (left).

Question 13

Systemic circulation

Answer 13

The system of blood vessels that carries blood from the left ventricle of the heart to the tissues of the body and back to the right atrium.

Question 14

Vein

Answer 14

A blood vessel that carries blood towards the heart

Question 15

Ventricle

Answer 15

Inferior heart chambers– right or left

Question 16

Visceral pericardium

Answer 16

Part of the serous pericardium, the inner membrane lining the heart itself.