Answer:Pedometer
Explanation:bc it counts how much steps you took but also shows how much your heart is beating
Answer: the first one is "lymphocytes"
the second one is "phagocytes"
Explanation: got it right.
Answer:
the study of the structure, reaction, and composition of different kinds of substances
Explanation:

All the statements are true. But, I would pick A.
It is the most sensible answer.
Hope this helped some!~
It's called vaccine unbundling
it's commonly found in Europe and south Asia. It is very common for vaccines to be sold in a packeted form
Unbundling a vaccine can make you get a specific vaccine that you want at a lower cost