A.<span> Air pollution............................</span>
Glucagon works to counterbalance the action of insulin . About four to six hours after you eat , the glucose Levin your blood decrease, triggering your pancreas to produce glucagon this hormone signal your liver and muscle cells to change the storage glycogen back into glucose.
The answer is B.The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
Answer: the Earth is round.
Explanation:
Answer:
skin
Explanation:
this is one of them. it has a sense of touch skin is a organ