Birth defects can be caused wither by internal genetic factors or external factors like drugs, radiation, smoking,...
Dana, who is concerned about the possibility that her baby will have defects, may do the following tests: screening test, that will show if she might have child with birth defect and diagnostic test like amniocentesis (analyzing small amount of amniotic fluid from the area surrounding the baby) which is more than 90% correct.
The answer is endocrine system because it deals with hormones around the body and is controlled by the pituitary gland.
Calcium which is why we were told to drink milk as young children
Answer:
warm up exercises include stretching and specific exercises because it helps and strengthens your brain, muscles and helps you to breathe
Explanation:
