Answer:
the endoderm will develop into a digestive system
C.glucose is a simple sugar.
Answer:
the most sexually transmitted infections are transmitted through spit, bodily fluids, or through intercourse.
Explanation:
because these are infections and not diseases certain STDs will attack the body but first they need to enter the body. rather it be through kissing, physical contact and intercourse.
There is no specific answers for this. People might have specific allergies to something like peanut butter , but anything like medicine that is not recommended for you might cause you allergies and bad stuff