3) because during the menstrual cycle the body is already trying to clean out the uterine lining and the old egg is already in that. So having a new egg drop in form the ovary at the end of the cycle makes more sense.
Sinotrial node or the SA node
please add answer choices to your other questions in order to get your questions answered faster.
Muscular strength has to do with what at what intensity you can do a task while muscular endurance has to with how long you can do a task
