Function of blood cappilaries?

Explanation:

They help to connect your arteries and veins in addition to facilitating the exchange of certain elements between your blood and tissues.

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Explanation:

capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the (veins).The primary function of capillaries is the exchange of materials between the blood and tissue cells.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.