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The primary difference between estrous and menstrual cycles is that _______.
A. the endometrium shed by the uterus during the estrous cycle is reabsorbed with no extensive fluid flow out of the body, whereas the shed endometrium of menstrual cycles is excreted from the body B. behavioral changes during estrous cycles are much less apparent than those of menstrual cycles C. season and climate have less pronounced effects on estrous cycles than they do on menstrual cycles D. copulation normally occurs across the estrous cycle, whereas in menstrual cycles copulation only occurs during the period surrounding ovulation

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tanisharawat014

The main distinction between an estrous cycle and a menstrual cycle is that during an estrous cycle, the endometrium that the uterus secretes is reabsorbed without significantly draining the body's fluid stores, but during a menstrual cycle, the endometrium is expelled.

  • Endometrium, Myometrium, and Perimetrium are the three layers that make up the uterine wall. From inner to outer, these layers are arranged in this manner.
  • Both the menstrual cycle and the process of implantation depend heavily on the fluids secreted by secretory cells in the endometrium.
  • Proteins and lipids make up the majority of the endometrium's secretory fluid.

Since the endometrium the uterus sheds during the menstrual cycle is expelled out while in the estrous phase, it is reabsorbed, the foregoing points lead us to the conclusion that this is the main distinction between the two.

Learn more about the Menstrual cycle:

https://brainly.com/question/27471285

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