How are gases transported to the different parts of the body?

Answer 1

Gas exchange or respiration takes place at a respiratory surface-a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is governed by Fick's law, which determines that respiratory surfaces must have: * a large surface area * a thin permeable surface * a moist exchange surface. Many also have a mechanism to maximise the diffusion gradient by replenishing the source and/or sink. Control of respiration is due to rhythmical breathing generated by the phrenic nerve in order to stimulate contraction and relaxation of the diaphragm during inspiration and expiration. Ventilation is controlled by partial pressures of oxygen and carbon dioxide and the concentration of hydrogen ions. The control of respiration can vary in certain circumstances such as during exercise.

Answer 2

Oxygen is transported by the red blood cells attacked to hemoglobin. When that occurs it's called oxyhemoglobin.

The carbon dioxide is transported in three ways: Attached to hemoglobin making carbohemoglobin 20%, dissolved in plasma 10%, and transported as HCO3 (bicarbonate) 70%.

this is part of your respiratory system

Answer 3

when a gas such as oxygen enters your lungs, it travels to little air sacs in your lungs called alveoli (singular alveolus) here gas exchange occurs where carbon dioxide diffuses out of the blood and oxygen diffuses into the blood. the oxygen attaches to haemoglobin in the red blood cells to form the compound oxyhaemoglobin which is then pumped round the body and used by the organs, here oxygen releases from haemoglobin and haemoglobin attaches to the red blood cells to be reoxygenated and so this process contines. this is essentially how blood carry gases throughout the body.

Answer 4

Here are some things to kick-start

you with your research:
1. Depends on how in depth they want it. Simple: Red blood cells, platelets, plasma. You can include white blood cells (there are several types of these)
2. Haemoglobin is found in the red blood cells
3. There are the upper and lower intercostal

muscles
4. This is all

about Ficks

law of diffusion. Also the alveoli

are moist to maximise efficiency of gas exchange.

Answer 5

They are transported bound to the molecule hemoglobin in the red blood cells.

Answer 6

your organs. pretty much through the whole digestive system