The veins I think maybe I’m wrong but I’m sure it the veins in your hands
Linear B is a fascinating writing system that was used to write the Mycenaean Greek language. We don't know exactly how old it is, but it seems to have developed about 3,500 years ago. Scholars named it called Linear B because there's also an older version of it, which they call Linear A. Linguists still can't figure out how to read Linear A, and it's one of the great mysteries of classical studies.
Explanation:
The major function of the reproductive system is to ensure survival of the species.
bone densitometry would be used to test the bone density. This can tell the doctor the chances of osteoporosis before a break.
I think it may be your, Heart & Brain.