Cells are the basic unit of life. Thus, cells are responsible for maintaining a stable internal environment within living organisms. How do humans continue to maintain a stable internal environment if billions of cells die within their bodies each day?
A.
Exposure to the Sun stimulates cell growth.
B.
Humans need fewer cells as they get older.
C.
The cells must be able to reproduce.
D.
New cells are eaten in the form of food.

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measuring physical properties lab reportinstructions: in the physical properties lab, you will test the physical properties of different building materials in order to pick the appropriate materials for a new home in tiny world. record your observations and test measurements in the lab report below. youwill submit your completed report.name and title: lyric lawton, mr.herbert, 10/13/17, physical properties lab. objective(s): i need to parvus build his house out of the right material, so he will stay cool in the mountains.hypothesis: if we use wood to build the roof of the house, then the temperature inside the house will remain cooler.if we use clay brick to build the walls and floors of the house, then the temperature inside the house will remain cooler.if we use aluminium to bring electricity into the home, then it will allow electricity to flow into the home at a faster rate.if we use iron to construct the latches on the windows and doors, then the magnetism will keep the latches secure.