Answer:
The early central nervous system begins as a simple neural plate that folds to form a neural groove and then neural tube.
Explanation:
https://embryology.med.unsw.edu.au/embryology/index.php/Neural_System_Development
Answer:
Spitting a lot. Always moving
Explanation:
Wrestlers spit before weigh-ins to help them lose that extra couple of ounces to meet weight.
The answer to your question is D. <span>. to protect students who cannot be vaccinated with herd immunity</span>