Ovary
The ovary is the reproductive structure that releases egg cells
Answer:
protection and a mask
Explanation:
that virus is deadly and especially in a high risk groups, and it attacks lungs and nose and throat
Answer:
1 sperm cell
Explanation:
it only takes one sperm cell to reach the egg in order the get a woman pregnant
Age determines the amount you should consume from the plate
Medical Definition of Vaccination. Vaccination: Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease. ... To immunize against viral diseases, the virus used in the vaccine has been weakened or killed.