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Capillaries
In the cappilaries...
Exchange of wastes occur's in Capillaries.
Lymph vessels
capillaries
In the case of animals, these exchanges occur in the capillaries.
capillary
Capillaries
Capillaries are considered separately from veins. They are the smallest vessels in the circulatory system. Exchange of oxygen and carbon dioxide occur through them. Also wastes and nutrients.Veins carry deoxygenated blood from systemic circulation back to your heart. Capillaries are the small blood vessels that transfer blood between arteries and veins. The capillaries supply the cells with nutrients, fluids and oxygen. Capillaries also remove carbon dioxide.
Capillaries have thin and permeable walls which allow the exchange of substances (such as nutrients, oxygen and CO2) to occur. This enables substances to dissociate throughout the entire body (as capillaries are present throughout the entire body).
The alveoli is the structure of the lungs where the exchange of carbon dioxide and oxygen occur. The alveoli are like tiny sacs of air.
capillaries is where the exchange of materials occur such as; gases,nutrients, hormones, and so on.between the blood and the interstitial fluid.