She could try Body Composition<span> Scales & Handheld Devices</span>
To distribute oxygen and blood
Answer: 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 heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells.
Explanation:
