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:
The cells. if that is what you are asking.
Answer:
C) agitation irritability or restlessness
Explanation:
According to the Red Cross, people who have tattoos can donate blood. It's just that they would have to wait for 5 or 6 months after getting a tattoo before donating their blood. Same thing if you get your ears pierced.
Answer: C. clean with soap and water
Explanation: all the rest are unsanitary