Scientists are creating vaccinations that prevent people from getting bird flu. If the virus mutates, a new vaccine needs to be made. The vaccine needs to be tested, which can be dangerous. It also takes a long time for scientists to know whether the vaccine works.
Answer: get in through 4 stages absorption, distribution, metabolism, excretion.
Explanation: it is absorbed into blood stream through needle, lungs, mouth etc. then then circulatory system distrustes the drug throughout body. Then is metabolized by the body.
Explanation:
families and friends have advantages and disadvantages is our health mostly mental health
ANDVANTAGES:
-they can motivate you to do more amazing things
-they can help you achieve your goal
-they can be at your side during your worsts
DISADVANTAGES
-they can lead to depression (sometimes)
-they can pressure you which leads to anxiety
hope it helps lol
What do you mean? like resting? or something else?