Answer:
to break down food into nutrients
Cell membrane, Organells, flagella
The main responsible for the delay among the atrial and
ventricular contractions is the action potential conduction velocity of the AV
node cells. If the atria and ventricles contract simultaneously, atria cannot
give any help in filling the ventricles, which is needed, especially in those
with stiff ventricles as in the elderly. Hence atria have to contract first and
then the ventricles.
Answer:
12. which is used to measure ocean depth the answers is C
Explanation:
just because
Answer:Supply energy to cells
Explanation:
