The nervous system help in communication of the body. Therefore, the bbrain is gray, a wrinkly organ and is made up of millions of neurons.
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children.<span>
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Pleiotropy just means that one gene is involved in many different phenotypes. An example of this is the the CFTR gene, which when mutated causes cystic fibrosis. Cystic fibrosis is a disease which is characterized by the perturbation of multiple systems, including the lungs, liver, pancreas, kidneys, and bowel. Epistasis is refers to the interaction of multiple genes (two or more loci) in determining a phenotypic outcome.
Answer:
cellular respiration...that's breathing out of humans
and through human activities like burning of fossil fuels...
Carbondraytes (sorry if spelled wrong)
