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- Explaintheroleofmitosisin: (a) A developing embryo (b)Anadult:arrow_forwardA 30-year-old man has very small muscles, a sparse beard, and a high-pitched voice. His plasma concentration of LH is elevated. Explain?arrow_forwardIn the milk-letdown reflex, which cells are categorized as neuroendocrine cells? a) Sensory neurons in the breast tissue b)Neurons that synthesize oxytocin and form junctions with capillaries c)Neurons that contract and cause expulsion of milkarrow_forward
- What is the purpose of prostatic secretion?arrow_forwardExplain the advantages gained by the individual through the production of lgE.arrow_forwardNegative feedback loops maintain homeostasis in the human body. During labour a positive feedback loop is an integral part of the process. A) What is a positive feedback loop? B) Describe the two positive feedback that is used during parturition. Make sure to include both hormones involved in parturition.arrow_forward
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- Explain the hormone-responsive nature of endometrial tissue and link this to the pathology of endometriosis that reduces fertility.arrow_forwardName one female sex hormone which is maintained at high levels throughout pregnancy. State two important functions of the hormone in pregnant women.arrow_forwardInfection of the fallopian tubes can lead to infertility. Why would this be so?arrow_forward
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