Heart disease has been widely known for being genetic, but whether it is due from the environment or genetic has yet to be established. Some heart disease symptoms are chest pain, palpitations, pressure in the chest, and discomfort in the back and jaw. Although heart disease can be deadly, there is treatments available. Firstly, you could get a heart transplant or you can get a surgery to remove what has caused the disease like lead for example. There is a wide variety of medicines available to help those with the disease as well.
The elastic artery absorb most of the shock when the heart ejects blood. The expansion stores energy; the recoil disperses this energy by moving blood further through the circulation.
Answer:
1. D,
2. C,
3. A,
4. C,
5. B
Explanation:
those are the answers to the questions
Answer:
I believe its option b. carbon dioxide.
