Question

Fill in the blanks:
1) energy is obtained from food by a process called________ 2) the intake of oxygen and output of carbon dioxide at a respiratory surface is called__________
3) the process of renewing air in the lungs is called__________
4) which of the process 1-3 are included in the term breating_________

Answer 1

Answer:

1.digestion

2.lungs

3.respiration

4.alveoli

Answer 2

1. cellular respiration
2. gaseous exchange
3. ventilation
4. inhalation and exhalation