Unit 3 - Structure and anatomy of the heart Flashcards
1
Q
What is the difference between cardiac muscle and skeletal muscle?
A
Cardiac muscle does not get fatigued and need to rest
2
Q
Why is the heart described as a double pump?
A
-blood is pumped through the heart twice
-first time deoxygenated blood is pumped to lungs
-Second time oxygenated blood is pumped to the body
3
Q
What is the function of the coronary arteries?
A
Supply the heart muscle with oxygen and glucose in order to keep it contracting and relaxing all the time
