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The reproductive system ensures the survival of the species. Other systems in the body, such as the endocrine and urinary systems, work continuously to maintain homeostasis for the survival of the individual. An individual may live a long, healthy, and happy life without producing offspring, but if the species is to continue, at least some individuals must produce offspring.
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OVIDUCT
It is also known as the fallopian or uterine tube. The mucosa, muscularis layer, and external serous coat are the three layers that make up the oviduct. The epithelium is made up mostly of two types of simple columnar cells: secretory cells and cells with cilia that beat toward the uterus. Each month, it transports the ova from the ovary to the uterus.