the journey of an oxygen molecule?

Question

journey from inhalation to a muscle cell within the body

Answer 1

Physiologically, oxygen is taken into the body through various organs including your nose, mouth, trachea, etc. into your lungs. If you go deeper in detail the air you breathe will eventually reach tiny sacs called alveoli - these sacs help to dramatically increase the surface area to which oxygen can be transferred onto hemoglobin of red blood cells, which can then travel throughout your body so as to feed all the living cells oxygen (and also to absorb carbon dioxide as waste to be expelled upon exhalation). So, oxygen is needed not only by muscle cells but by all cells.

At the molecular level, all cells rely on oxygen for one primary reason: oxidative phosphorylation (aka the electron transport chain). Oxygen at this stage is basically being used to couple with protons (H+) to form water. The end product of oxidative phosphorylation is the synthesis of ATP (adenosine-triphosphate), which is considered the main currency of energy at the molecular level for all living organisms.

What I've mentioned is just a brief glimpse of the actual "journey" of an oxygen molecule - feel free to delve into deeper details with great search engines such as Google or better yet, Wikipedia.

-Kevin

Answer 2

ok so purely imagine 'Oxygen' to be this fat little boy. We 'inhale' and oxygen enters our respiration tract and finally reaches the alveoli. The alveoli have an excellent furnish of blood capillaries and so the oxygen molecule diffuses in the course of the walls of alveoli into the capillaries. The capillaries then flow into arteries which delivery the blood into each and every thing of the body. as quickly because it reaches respiratory cells, it diffuses out of the capillaries into the tissue fluid and then into cells for use in respiratory.

Answer 3

It's kind of a long process but i'll make it short.

When you inhale, oxygen is capture by blood hemoglobin in the capilaries of the lungs. Blood hemoglobin carry oxygen back to the heart and pump out to the rest of the body (which include to your muscle cells).

Now, your muscle cells have "myoglobin" which have greater affinity for oxygen than "hemoglobin" in your blood. Therefore, myoglobin just takes the oxygen right of from hemoglobin when the blood circulate to muscle tissues.

Answer 4

too complicated but the main part of the cell involved is the creb cycle if you google it you will understand why i am not telling you

Answer 5

Google on respiration, that will give you all the information you require!

Answer 6

wot he sed ^^^^^