Villi and microvilli.
To Provide maximum surface area for exchange
cilia
blood carry gases like o2,co2...nd the exchange of substances take place in small intestine
The three types of villi are: Intestinal villi-microscopic finger like projections on the inner surface of the ileum. Chorionic villi-villi on the outermost membrane of the foetus. Arachnoid villi-villi on the arachnoid membrane of the brain.
Villi and microvilli.
To Provide maximum surface area for exchange
Villi
cilia
blood carry gases like o2,co2...nd the exchange of substances take place in small intestine
in mammals, what structure ensures the exchange substances between the embryonic and material blood circulation
The afferent arteriole.
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villi
The three types of villi are: Intestinal villi-microscopic finger like projections on the inner surface of the ileum. Chorionic villi-villi on the outermost membrane of the foetus. Arachnoid villi-villi on the arachnoid membrane of the brain.
A micro villi is a micro villi