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The thoracic cavity is the anterior ventral body cavity found within the rib cage in the torso. It houses the primary organs of the cardiovascular and respiratory systems, such as the heart and lungs, but also includes organs from other systems, such as the esophagus and the thymus gland.
Ghrelin INCREASES APPETITE.
Ghrelin is an hormone which is majorly produced by the stomach. Other organs, which produces the hormone in small quantities include: the brain, the pancreas and the small intestines. The hormone has many functions, but its major function is to stimulate appetite, increase food intake and to promote fat storage.
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I think it's b or d may a
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Genetic drift is a change in the gene pool by chance of a Population as a result of sampling error that occur over generation.
Genetic drift is a random process that can lead to changes in large Population over short period of time. This random drift is caused by recurring small population sizes, reduction in small population called bottleneck. Genetic drift fixes alleles or phenotype in a population there by increasing inbreeding coefficient and homozygosity as a result of of removing alleles. This result in decrease in population.
