Can you put a picture that’s more clear
<span>The electrical stimulus in the heart begins in the APEX OF THE ATRIA at the SINOATRIAL NODE. The heart has its own electrical conduction system that enables it to work as a unit and supply oxygenated blood throughout the body. This system needs to work in a sequential manner so that the delivery of unoxygenated blood to the lungs will not backflow to other parts of the heart and the body. </span>
Answer:
Riva is unable to eat eggs, milk, and peanuts. She might have altered levels of _____ as a result. a. acetylcholine b. glutamate c. nitric oxide d. dopamine.
Explanation:
Answer: i would say it is a fact
Explanation:
because oif he was reading it in an advertisement so it may be truye and its just a fact