The circulatory system and respiratory system are protected by your skin, muscles, and ribs.
The cell is the smallest functional unit of life, which is why it is sometimes referred to as the building block of life.
We have heard about Respiration. In human beings, respiration is a cellular activity which takes place in the presence of oxygen and in result produces carbon dioxide. Jamal model is a clear manifestation of that process. Medulla is the region of a brain that controls the respiration activity. When we breathe we take in oxygen and the excess amount of carbon dioxide is removed from out body.
Brains cells have capability to detect the carbon concentration in blood and add excess amount of carbon from body to the air.
There are a few different names for Mitosis: Cell division and cellular division (these are the words that I can think of) I hope this helps.
Answer:
II really have no idea but it might be A?
Explanation:
If I'm wrong I'm so sry T-T