Question

What is the oxygen pathway from nose to the brain?

Answer 1

The oxygen pathway from the nose to the brain involves inhalation, diffusion of oxygen into the bloodstream in the lungs, and the transportation of oxygen-rich blood to the brain via the carotid arteries.

Step-by-step explanation:

The oxygen pathway from the nose to the brain involves several steps. When you inhale air through your nose, it travels through your nasal passages and enters the lungs. In the lungs, oxygen diffuses across the walls of the alveoli, which are tiny air sacs in the lungs, and enters the bloodstream.

From the lungs, the oxygen-rich blood is pumped by the heart to all parts of the body, including the brain. The bloodstream carries the oxygen to the brain through a network of blood vessels, including the carotid arteries and their branches.

Once in the brain, the oxygen is used by the brain cells for various metabolic processes, allowing them to function properly.

Answer 2

When you breathe in, air enters your nose and travels down your trachea (windpipe) and into your lungs. Oxygen from the air you've breathed in then diffuses through the walls of your lungs and into your bloodstream. The oxygen molecules attach to red blood cells and are transported to the brain and other organs throughout your body. In the brain, the oxygen is used by the cells to produce energy and carry out their functions.