The large intestine produces feces.The feces then moves tot he rectum and is excreted through the anus.
"A gene pool consists of all genes, including all the different alleles that are present in a population. Number of times an allele occurs in a gene pool compared with the number of times other alleles occur. In genetic terms, evolution is any change in the relative frequency of alleles in a population."
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passive refilling of the heart occurs During ventricular systole, the blood pressure