Which of the following statements is true?
A)All mammals have menstrual cycles.
B)The endometrial lining is shed in menstrual cycles but reabsorbed in estrous cycles.
C)Estrous cycles are more frequent than menstrual cycles.
D)Ovulation occurs before the endometrium thickens in estrous cycles.

Question

Quizplus · Accepted Answer

In menstrual cycles, the endometrial lining is shed. In estrous cycles, it is reabsorbed. This makes option B the only true statement. Option A is false because not all mammals have menstrual cycles. Option C is also false because estrous cycles are less frequent than menstrual cycles. Option D is false because ovulation occurs after the endometrium thickens in estrous cycles.

Which of the Following Statements Is True