Question 14 (3 points)
How often should a testicular self exam be conducted?
every day
every week
every month
every year

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

How many pounds does the earth weigh?