Question

What is the correct order of processes involving the movement of oxygen from the environment to mitochondria in vertebrates? What is the correct order of processes involving the movement of oxygen from the environment to mitochondria in vertebrates? a. circulation, ventilation, cellular respiration b. ventilation, diffusion in tissues, circulation c. diffusion in tissues, cellular respiration, diffusion at respiratory surface d. circulation, cellular respiration, diffusion in tissues e. ventilation, circulation, cellular respiration

Answer 1

Answer:

ventilation, circulation, cellular respiration. (Ans. E)

Explanation:

Respiration is a process where exchange of gases is occurs between the body cell and the environment in an organism.

The process of breathing (inhalation and exhalation) is known as ventilation and it may refer to as external respiration.

Circulation is defined as the network which is consisted blood vessels, blood and heart. This is helping in supplies tissues in the body with oxygen, some nutrients and removes waste products.

Cellular Respiration is known as a metabolic process where an organism produce energy by reacting oxygen with glucose and produce carbon dioxide, water and ATP (adenosine triphosphate). Cellular Respiration occurs in main 3 steps:

1) Glycolysis: In this process glucose is breaking down into pyruvate, water, ATP and heat.

2) Kreb cycle: In Kreb cycle NADH produces from pyruvate.

3) Oxidative phosphorylation: In this process production of ATP from NADH, oxygen, H+. In ETC (electron transport chain) oxygen play role as an electron receptor to produce ATP.