Hhs means human health services
When you exercise, your body produces something called endorphins (it's sort of like morphine), and it makes your body feel less pain and make you feel more happy. In this case, the endorphins combat your stress and make you feel better mentally.
Your answer is false because most companies pay for people to say that their product works and is reliable
Answer:
Vaccines available to prevent communicable diseases and illnesses
Chickenpox (Varicella)
Diphtheria.
Flu (Influenza)
Hepatitis A.
Hepatitis B.
Hib.
HPV (Human Papillomavirus)
Measles.
Explanation:
