The four most abundant elements needed by the human body are carbon, hydrogen, oxygen, and nitrogen because these are needed in large amounts to support our cells, these are referred to as bulk elements.
Oxygen is the most essential element required by our body. The body requires oxygen in the form of gas which is inhaled by the air around us. All the cells in a human body require oxygen which is transported by the blood inside.
Cell is the most basic and fundamental unit of life. It can be of two types: prokaryotic and eukaryotic. Prokaryotic cell is the primitive one with no true nucleus and eukaryotic cell has a true nucleus and all the cell organelles. Generally eukaryotic cells require abundant amount of oxygen.
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Answer:
the answer is A
Explanation:
Animals get thenitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water.
Answer:
The answer to your question is C.
Explanation:
Starch is a polymer of glucose. It is a carbohydrate.
Its monomer is glucose (C6H12O6).
cells are not the smallest unit of life because atoms are smaller than cells
Answer:Prophase
Explanation: Prophase. In animal cells the cells have already begun to separate during prophase while in plant cells they are duplicating chromosomes
