"Muscles" tense up as a defense mechanism
Answer:
Tell him it could be nearing the end, tell him he should definitely worry
Explanation:
Answer:
Yes
Explanation:
This is injection site redness. It is very common.
Ice pack and pain relievers can help.
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.
