Answer:
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
Thank you
Answer:
family phyician
woman's health organizations
US Department of Health and Human Services websites
Answer:
it is letter d
Explanation:
because if you do you research you will find out
Stress is a psychophysiological response
