It can be C or D but I think the answer is D
The spinal cord and the brain make up the central nervous system, and spinal cord nerves carry most messages between the brain and the rest of the body.
The vagus nerve carries the signal from the brain to the heart.
To answer this specific question,
pregnancy is an example of positive feedback. I am hoping that this answer has
satisfied your query and it will be able to help you in your endeavor, and if
you would like, feel free to ask another question.
This would be Mitosis.
Mitosis results in two diploid cells.
Meiosis, on the other hand, results in four haploid cells.
Hello!
I believe the correct answer would be: B. Electric eel.
I really hope my answer helped you out! c:
