Answer: The nervous system
Explanation:
The first part of the embryo to develop is the neural tube, which will become the spinal cord and brain. As the nervous system starts to develop, the tiny heart starts to pump blood, and other parts of the body—such as the digestive tract and backbone—begin to emerge.
The answer would be A depending on if they were reliable to live on their own so the answer would be C, but you must be 18.
They are all located in the dermis.
decline, ( depends on what you are talking about, i'm thinking more like women are getting less and less populated)
B. the negative peer pressure is making her do things she wouldn't usually do which is damaging not only her friendships but also her body system
