Gathering information with your eyes is
a) central vision
b) peripheral vision
c)rubbernecking
d)visual perception

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

The frequency in wich you perform certain exercise depends on the blank of the exercise

Having health insurance means that a family cannot go bankrupt due to medical expenses. true or false?