What Is a Primary Difference Between the Estrous and Menstrual

question 19

Multiple Choice

What is a primary difference between the estrous and menstrual cycles?

• 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) Copulation normally occurs across the estrous cycle, whereas in menstrual cycles copulation only occurs during the period surrounding ovulation.
• C) Season and climate have less pronounced effects on estrous cycles than they do on menstrual cycles.
• D) Behavioural changes during estrous cycles are much less apparent than those of menstrual cycles.

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Definitions:

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, a critical indicator of cardiovascular health.

Heart Rate

The number of heartbeats per unit of time, usually expressed as beats per minute (bpm), an important measure of heart health and physical fitness.

Stimulus

Any event or situation that evokes a response from an organism or system.

Emotion

A multifaceted mental state that encompasses a person's personal feelings, physical reactions, and actions or expressions.