Which of the following occurs during days 15-28 of the menstrual cycle? prolifer

Question

Which of the following occurs during days 15-28 of the menstrual cycle? proliferative phase ovulation menstruation secretory phase Which of the following occurs during an erection? The sympathetic nervous system constricts the veins leaving the penis. Blood fills the corpora spongiosum, causing it to engorge. The veins of the corpora cavernosa dilate. The parasympathetic nervous system dilates the arteries going into the penis. What is the name of the process which produces sperm? spermatogenesis capacitation acrosomal reaction oogenesis testogenesis Out of which structure is an oocyte released during ovulation? primary follicle secondary follicle tertiary follicle dominant follicle

Explanation / Answer

97) Menstrual cycle is divided into three phases like menstrual phase (1-5 Days), proliferative phase (6-14 days) and secretory phase (15-28 days). Under the influence of several hormones, endometrium is maintained which begins to secrete nutrients to nourish embryo.

So the correct option is (d) secretory phase.

98) Erection is simply formation of penis firmer and enlarged under the influence of neural, vascular and psychological factors. There is sexual attraction or thrust and physiologically it is triggered by parasympathetic autonomic nervous system.

So the correct option is (d) the parasympathetic nervous system dilates the arteries going into the penis.

99) Spermatogenesis is the process where spermatozoa are produced and the overall process is known as spermatogenesis.

So the correct option is (a) spermatogenesis.

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