The heart Flashcards
1
Q
cardiac muscle tissue
A
found only in the heart; are branched and have many mitochondria;sarcomeres are the units of contraction
2
Q
heart sounds
A
Lub-dub. 1st- a-v valves close. 2nd- aortic and pulmonary valves close
3
Q
heart mummer
A
abnormal or extra heart sound caused by a malfunctioning heart valve
