The most important reason to know basic first aid is: a. it is the best way to treat minor cuts and bruises b. it reduces the number of accidents in a workplace c. it is company policy in many workplaces d. it allows emergencies to be treated swiftly

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.