Test for breathing in humans

Question 1

Aim of testing for breathing in humans

Answer 1

A. release of carbon dioxide
B. the effects of exercise

Question 2

Method for investigating presentence of carbon dioxide

Answer 2

pour lime water into Boling tube. Use straw breathe air into lime water. If CO2 is present turns cloudy.

Question 3

Method investigating rate of exercise.

Answer 3

measure and record number of breaths per min. carry out exercise. measure breathing rate of participant