The main function of the respiratory system is to allow the exchange of gases between the atmosphere and the lungs.
Hence,the only structure that carries out this function is the alveoli as other structures such as the nose,trachea and pharynx transport gases to the alveoli just so that it can can out its function.
Answer:
both A and B
Explanation:
Together, the number of protons and the number of neutrons determine an element's mass number.
Answer:
Se llama organismos multicelulares.
Espero que esto sea lo que estás buscando.
You plant them in the ground
Answer:
Ray finned fish are also classes of tilapia
