What does inhalants looks like?

The lower respiratory system includes the a. lungs. b. esophogus. c. larynx. d. pharynx

Microbes in the gut ferment fiber and complex carbohydrates and form vitamins, short chain fatty acids and

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.