I don't know all 6 but I tried 3
The skin has three main functions:
protection, regulation and sensation.... The skin is an organ of protection. The primary function of the skin is to act as a barrier.
Answer: A (i think) Hope that helps!
Explanation:
Answer:
Lower respiratory tract anatomy
Explanation:
The lower respiratory system, or lower respiratory tract, consists of the trachea, the bronchi and bronchioles, and the alveoli, which make up the lungs. These structures pull in air from the upper respiratory system, absorb the oxygen, and release carbon dioxide in exchange.
Answer:
The excretory system is responsible for eleminating waste products and filtering body fluids.