it’s important the lungs stay elastic in nature so that gas exchange can take place in the alveoli in the lungs. provide one disease caused by smoking and how it affects the process of gas exchange.

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

The fauces connects which of th following structures to the oropharynx

According to the cladogram, which organisms have roundworms as a common ancestor?