The blood vessels dilate to increase the "blood traffic" through the lungs to carry more oxygen to the muscle. The lungs work harder (faster respiratory rate) to increase the rate of oxygen/carbon dioxide exchange in the lungs.
Answer:
Start recycling, walk or bike instead of drive, print as little as necessary, turn off the lights whenever you leave the room, use paper bags instead of plastic bags
Answer: The surrounding cells detect the higher glucose levels and signal the pancreas to secrete a hormone called insulin.
Explanation:
B is answer because ewe have glands that produce hormones in our body.
