Answer:
B. a substance that sends the immune system into action
Explanation:
The answer to your question will be C.
Answer:
Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.
Explanation:
Answer:
GO into a quiet enviorment with no distractions and say to your self I got this I just have to complete this and then I am DONE . Then when you finish you will have some grief and and excitement.
