Which endocrine organ sits on top of the kidneys?                     

Which of the following is not a direct branch of the abdominal aorta?      

Which of the following is most responsible for speeding up the heart rate during exercise?  

When oxygen levels are low, the __________ is/are stimulated to release __________.       

What hormone is involved in milk ejection?  

Under the skin of the cheeks, …………………….  pulls the cheeks inward to produce sucking and whistling movements.    

Which pulse is located at this part?       

The………………………….., or “shoulder muscle,” is the prime abductor of the arm, and assists in both flexion and extension.  

An oligodendrocyte serves CNS nerve fibers in the same way that a/an ________ serves PNS nerve fibers.      

What part of the brain connects the brain to the spinal cord?  It controls hunger and thirst and some of the most basic body functions, such as body temperature, blood pressure, and breathing.