Answer:
The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria. ... This is due to the higher forces needed to pump blood through the systemic circuit (around the body) compared to the pulmonary circuit.
Explanation:
The Human Heart — PT Direct
Muscle tissue is responsible for both voluntary and involuntary movements.
DNA.
DNA has a phosphate and deoxyribose sugar backbone.
A mitochondria converts glucose to energy