Capillaries are involved in material exchange with cells, bringing blood close to every cell to supply nutrients and oxygen, and removing waste products like carbon dioxide.
Les capillaires facilitent l'échange de substances avec les cellules, en transportant le sang près de chaque cellule pour fournir nourriture et oxygène, et en retirant les déchets comme le dioxyde de carbone.
| Front | What are the functions of capillaries? |
|---|---|
| Back | Capillaries are involved in the exchange of materials at the tissues - they carry the blood really close to every cell in the body to exchange substances with them. They supply food and oxygen to the cells, and take away waste products like carbon dioxide. |
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