Choose the option that best matches the description given. Harborages include all of the following except

This is the new face book like like like like like like

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Exercise has no positive effects on the nervous system? true or falseu