In what direction do molecules passively move to?

Which  part of the brain performs many automatic functions such as breathing, heart rate, body temperature, and controlling wake and sleep cycles? 

During a fight or flight response which part of the nervous system is activated?

Identify the structure(s) where carbohydrate digestion occurs. Select all that apply. 

In skeletal muscle cells the action potential is conducted through the ________.

What happens to a red blood cell when placed in a hypotonic solution?

Insulin and glucagon are synthesized in the pancreas.

When viewing osmosis, water goes to areas with higher concentration of________.

The neuron structure that represents myelin sheath is:  

Which of the following is responsible for releasing energy from food molecules and transforming energy into usable ATP?