Carbohydrate digestion begins in the mouth with the secretion of saliva but most occurs in the duodenum as a result of the secretion of
secretin.
Answer:
The reason is because it takes a long time for the light from the stars in the sky to reach earth, so the light the star was producing millions of years ago has just now reached Earth.
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Answer:
Conserve heat in its core when the goose is swimming in cold water
Answer:
b.Lymphatic capillaries are dead-end tubes.
d.Lymphatic capillaries are highly permeable.
Explanation:
Lymphatic capillaries transport lymph that flows with little pressure, these capillaries are made of endothelium, <em>are blind-ended (closed at one end) and are more permeable than the blood ones because they serve to drain extracellular fluids.</em>
Blood capillaries, on the other hand, transport blood, that contrary to lymph, flows with more pressure, their walls are also made of endothelium but they are less permeable and conform a circuit, meaning they have no dead ends.
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