What circulatory system structures are not blood vessels?

Answer 1

hair and finger or toenails

Also the cornea of the eye (O2 gets there from the inside of the eyelids when you blink ... and from some diffusion so long as it's moist [also a function of blinking]).

Answer 2

The outer most layer of your skin, ligaments, and cartilage do not contain blood vessels. Along with these, the Brain does not have any blood vessels in it. In fact, there is actually a sheet of blood vessels that surrounds it, but does not actually go in it. This is because there is too much bacteria that could be very bad for the brain.

Answer 3

there are blood vessels every where in your body but there are no vessels in your nails. under them, yes. in them no

Answer 4

The heart and the blood are the two other structures of the circulatory system.

Answer 5

Your fingernails, toenails, and hair.

Answer 6

hyaline cartilage

Answer 7

the answer is ???