1. Break down of Food into Energy
Oxygen
2. Absorb X - Rays in Bones
Calcium
3. Cell Membrane Function
Sodium
4. All Organic Compounds
Carbon
Answer:
Invertebrates share four common traits:
They do not have a backbone. They are multicellular. All the cells have different responsibilities in keeping the animal alive. ... They reproduce by two reproductive cells, or gametes, coming together to produce a new organism of their species.
Explanation:
Answer:respiratory system
Explanation:The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste product. The main structures of the human respiratory system are the nasal cavity, the trachea, and lungs
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Adenine and Thymine pair together
Guanine and Cytosine pair together
Shelter
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