Directions: Rewrite the sentences using the present perfect. Ivan lived in the U.S. for ten years. There was a lot of snow in Boston this month. 

Which of the following is incorrectly paired with its location or enzyme?

The effects initiated by the endocrine system _______ those of the nervous system.

Which of the following factors is NOT responsible for varying lung capacities?

Digestion of _____ begins in the mouth by the enzyme ________.

Which of the following hormones is INCORRECTLY with its target organ?

Mechanical digestion

During hyperventilation: **NOTE** 2 answers are correct ~ please select both.

Bicarbonate rich pancreatic juices are needed to neutralize the acidic chyme from the stomach before intestinal digestion can begin.

All of the following are functions of the digestive system EXCEPT: