Water itself does not live. Water does not need sustenance of any sort to continue to function and it does not pass on any sort of DNA to any build a future generation so it is not biotic.
Answer:
b) aorta
Explanation:
On contraction of the atrium, the atrioventricular valves open and push blood to their respective ventricles. Oxygenated blood from the left atrium moves to left ventricle. On contraction of ventricles, semilunar valves open and oxygenated blood from left ventricles is pushed into the aorta, a major artery which distributes blood to the body cells through different arteries.
They consist of a phosphate group, a nitrogenous base and sugar.
What it is , you do when you eat
Im not even sure
goodluck tho !,
^-^