Answer:
D
Explanation:
All cells have there own role to keep an organism alive
Answer: The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood.
Answer:
hormones basically tell your body grow and mature
Explanation:
Answer: yes
Explanation:
An individual who is 19 years old or older has sexual contact with someone who is younger than 16 but older than 12 has committed sexual abuse. It is illegal for anyone to have sex with a minor, unless they are that person's spouse. If it was consensual that would be a different story but only if the miner said it was consensual and didn't bring up any charges.
D because if you have already tried one treatment and it caused a infection you would need to change it
