Body Part Quiz- Letter Y

[curious81]

Can anybody think of a body part, or something within the body begiining with the letter Y??

Thanks x

[hippyhoppy]

scraping the bottom of the barrel - Y cromesone (don't know if that is the correct spelling.. probably not!!)

[redcrx]

your knee :)

[gen2]

Yellow Spot (part of the retina in the eye)

[CJ242]

Y Chromosome?
Yellow Marrow?

[curious81]

Fantastic !! Thanks Guys

[sqad617]

redcrx.LOL have I missed something?

[sqad617]

redcrx......please accept my apology....Your knee...Y of your...sorry but thick most of the time, but particularly eaqrly in the morning.

[redcrx]

lol squad, i was just having a giggle. at least you laughed x

[sara3]

top answer, red.. you win :o)

[redcrx]

i think its a trick question, cos there are too many answers:
your knee
your arms
your bum
your neck.

did they give any clues?