Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:
All of the above would be the answer they want to see
Answer:
not sure but I guess is result n weight loss that resets the metabolism tours normal function
Answer:
It will take her at least 4 days to get to 120 pounds depending on her metoblism
Explanation:
