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:
Answer:
A
Explanation:
i'm not sure but i think it is A
I believe it will be they could choke on the water or by taking in so much at a time at a fast pace will give them cramps.
This system helps the respiratory system by protecting the lungs. The circulatory system is very useful. This system transports the food nutrients, and oxygen to the body cells. It also delivers of carbon dioxide and waste products.
Answer:
Modify your diet. ...
Lose weight if you are overweight.
Identify triggers for GERD symptoms and avoid them. ...
Quit smoking and reduce or eliminate alcohol intake. ...
Elevate the head of your bed by 4 to 8 inches. ...
Avoid using too many pillows when you sleep.
Explanation: