The layer which protects the heart from shocks ………

Correct Answer - a. 2,1 b. Mesodermal,Pericardium c. 3,Tricuspid d. Thicker. e. 72, Pacemaker f. 30% g. Joint diastole h. P i. Coronary j. Decrease, Cardiac output

B) Stratosphere

A) Right against exploitation

The membrane that protects the lungs Pleura

Correct option is B) a, b

(B) Pericardium

(B) Pear fruit

B) 600 volts

The mammalian cardiac muscles are modified and are capable of generating an impulse on their own. Hence, the mammalian heart known as a myogenic heart.

(b) Stratosphere