What is the term for the shedding of the endometrium

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?

Which behavior of an expectant mother is unhealthy

How does stress affect the digestive system? o a. reduces ability to break down foods b. reduces acid production to slow digestion o c. increases desire for fruits and vegetables o d. increases ability to break down food submit