Randy used to have poor health. Recently, he has lost a lot of weight and has started feeling much better, but he doesn't know which of his life changes contributed to the improvement. Which change most likely helped Randy get better health?

Experiment scenario 2: a biology student wants to conduct a study of how the amount of food affects the weight gain for mice. i have set up four cages with a mouse in each cage. fill in the boxes that would allow the biology student to complete the study correctly

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Can you receive a shock severe enough to prevent you from releasing the wire from an ordinary outlet with dry hands? a. no b. yes explain