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In preparation for labor,

Identify the structures labeled on the model image (1 point each). Identify A: _______ Identify the structure circled and labeled B: _______

       The epidermis of the integumentary system is derived from ___________, the same embryonic tissue that forms the _____________.

This hormone secreted by the small intestines tells the stomach to stop secreting acid, while at the same time tells the pancreas to begin secreting enzymes and the gallbladder to begin secreting bile.  It also tells the brain that it’s time to stop eating.

If a person is dehydrated and their extracellular body fluid osmolality is increased (i.e., more concentrated) what hormone will be released to bring ECF osmolality back to the homeostatic set point?

The twins in the image below are monozygotic, monochorionic, diamniotic twins.  Please describe what each of the bolded terms means.  Each definition is worth 1 bonus point!

 n   The following terms are in correct chronological order starting from the beginning of human development:

At day 3 of development following fertilization, an embryo divides into 2 embryos creating genetically identical twins. Which of the following do we absolutely know to be true of these twins?

During uncompensated respiratory acidosis CO2 levels will be:

      The following is a hormone secreted by the mature placenta that helps to maintain the endometrial lining and prevent uterine contractions during the 2nd and 3rd trimesters of pregnancy: