Where Are Chemoreceptors Located

Where are chemoreceptors located?

A) They are primarily located in the skin and hypothalamus.
B) They are located along the digestive tract,within the walls of the urinary bladder,in the carotid and aortic sinuses,and in the lungs.
C) They are located within the medulla oblongata and the hypothalamus.
D) They are located throughout the somatic and visceral systems of the body.
E) They are located within the medulla oblongata and in the carotid and aortic bodies.