EVERYDAY SCIENCE

Detailed explanation-1: -The exchange of gases in the roots of a plant takes place by the process of diffusion. During diffusion, oxygen diffuses into the root hairs and passes into the root cells, from where the carbon dioxide moves out into the soil.

Detailed explanation-2: -How Does Respiration Occur in Roots? The roots of a plant take up air from the spaces between the soil particles. Root hairs are in contact with the air in the soil particles. Oxygen from the air in soil particles diffuse into root hair and reach all the cells of the root where it is utilised in respiration.

Detailed explanation-3: -Diffusion occurs when plant roots are in contact with the soil. The concentration of nutrients and other substances is higher in the soil and their transportation occurs from a higher concentration (soil) to a lower concentration (plant roots).

Detailed explanation-4: -Respiration takes place through the process of diffusion.In other words, the exchange of gases between our body cells and the lung alveoli takes place through the process of diffusion.

Detailed explanation-5: -In a process called diffusion, oxygen moves from the alveoli to the blood through the capillaries (tiny blood vessels) lining the alveolar walls. Once in the bloodstream, oxygen gets picked up by the hemoglobin in red blood cells.