Answer:
nicotine is the answer you are looking for
I believe the answer would be bone.
Answer:
B.Immune Response
Explanation: The immune system is the body's defense and response system to disease and illness.
Homeostasis is the ability of the body to regulate its internal environment within limits that allow it to survive
While velocity is your speed, or how fast you are moving, acceleration refers to how your velocity is changing. For example, a negative acceleration means you are slowing down
Hope this helps
