The answer is C. Firing.
CT scans, EEGs, and PET scans are all tests used to show the functioning of the brain, but ‘firing’ is not one.
Answer:
The hormone Oxytocin is produced in the hypothalamus and released into the bloodstream from the pituitary gland. Facilitating childbirth is its main function.
Answer:
The main function of the respiratory system is the exchange of oxygen from the atmosphere for carbon dioxide produced by the cells of the body. Other functions of the respiratory system include participation in the acid-base balance of the body, phonation, pulmonary defense, and metabolism.
Explanation: