Which of the following is a balance activity that can be completed in school?
a-yoga
b-weight training
c-push ups
d-running

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

List three reasons people may begin using tobacco

Fill in the table below by placing check marks in the appropriate boxes and writing the product of transcription and translation. super