WebIn the small intestine. How do villi help the small intestine? They increase the surface area of the small intestine to increase the rate at which digested food is absorbed. What … Web25 de ago. de 2024 · The villi are small, finger-like projections about a millimeter in length that protrude from the circular folds. They cover the entire surface of the folds. The villi are separated by small...
The human digestive system - Animal organisation - BBC Bitesize
Web25 de set. de 2024 · Answer: Both alveoli and villi help in increasing surface area of the respective organ. Both are associated with extensive blood capillary network for diffusion of important substances into blood: namely oxygen and dietary nutrients. Explanation: dasjhsdjog I would have at least tried to rephrase it if I was turning to Google lol Nothing … WebThe villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions. The villi number about 10 to 40 per square millimetre (6,000 … cryptopolis minecraft wiki
18. How are villi, alveoli and nephrons similar? - Brainly
WebExplain how the villi and the alveoli are adapted to absorb molecules into the bloodstream. (6) Villi are folds within the wall of the small intestine across which digested food molecules are exchanged between the gut and the bloodstream. This exchange takes place by diffusion and active transport. Web21 de fev. de 2024 · Root hair and alveoli both are similar because they have contain an enormous surface. Both use the same process of diffusion, higher concentration to lower. WIth alveoli, it's the oxygen in the lungs with the red blog cells, and with root hairs its the mineral.in the alveoli exchange of gases takes place and in root hairs absorption of … cryptopolis staking