Heart Flashcards
(7 cards)
1
Q
What is the heart
A
A vital, muscular organ responsible for pumping blood throughout the body
2
Q
What is the function of the heart
A
To pump blood throughout the body, ensuring that all cells receive the oxygen and nutrients they need
3
Q
What is a summary process of blood flow in the heart
A
Body→Inferior/Superior Vena Cava→Right Atrium→Tricuspid Valve→Right Ventricle→Pulmonary Valve→Pulmonary Artery
Lungs→Pulmonary veins→Left Atrium→Mitral valve→Left Ventricle→Aortic valve→Aorta→Body
4
Q
What are the two types of Circulation
A
Pulmonary and systemic
5
Q
What is the name of the heart muscle
A
Myocardium
6
Q
What causes heartbeat
A
An electrical system, with the sinus node acting as the natural pacemaker.
7
Q
What is the normal resting heartbeat
A
Between 60 and 100 beats per minute
