Answer:
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.
H2o is the most common molecule in the human body. Remember the fact that 70% of the human body is made of water? H2o is the molecule for water, meaning that H2o is the most common molecule.
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The answer is D. in animal cells, the cell membrane allows materials in and out of the cell, while the mitochondria uses nutrients to make energy (ATP) for the cell.
Answer:
Yes it is helpful
Explanation:
Not only do we live in harmony with these beneficial bacteria, but they are actually essential to our survival. Good bacteria help our bodies digest food and absorb nutrients, and they produce several vitamins in the intestinal tract — including folic acid, niacin, and vitamins B6 and B12.
Answer:
involuntary muscle
Explanation:
Involuntary muscles are those that cannot be controlled by will or consciousness and are frequently associated with organs that contract and relax slowly and regularly. Because there are no striations when viewed under a microscope, involuntary muscles are also known as smooth muscles or non-striated muscles.
