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19 March 2020
125
275
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Y and Z should be interesting :rofl:

I had to search:

1.yolk sac (part of the embryo when developing) 2.Yellow Marrow. This is a tissue of the skeletal system which stores lipids as energy reserves for bone 3. Y chromosome - The Y chromosome is the sex - determining chromosome in most mammals, including humans.

- zonules (part of the eye)
· zygomatic bone
 
MP386

MOTM

9 November 2015
28,457
66,013
58
I had to search:

1.yolk sac (part of the embryo when developing) 2.Yellow Marrow. This is a tissue of the skeletal system which stores lipids as energy reserves for bone 3. Y chromosome - The Y chromosome is the sex - determining chromosome in most mammals, including humans.

- zonules (part of the eye)
· zygomatic bone
That’s what came up when I googled it :lol: