Non-Communicable Diseases - The Heart Structure and Functions Flashcards
1
Q
what is the heart
A
the heart is an organ that pumps blood around the body in a double circulatory system. The right ventricle pumps blood to the lungs where gas exchange takes place. The left ventricle pumps blood around the rest of the body
2
Q
name the blood vessels associated with the heart
A
the aorta, vena cava, pulmonary artery, pulmonary vein and coronary arteries
3
Q
how is the resting heart rate controlled
A
by a group of cells located in the right atrium that act as a pace maker
4
Q
what 3 types of blood vessels are contained in the body
A
arteries
capillaries
veins
5
Q
what is the hearts function
A
The heart is a muscular organ. Its function is to pump blood