the.com/testicle

Two vulnerable orbs your body still insists on wearing outside for luck.

means Either of the two egg-shaped male reproductive glands that produce sperm and testosterone.

from From Latin testiculus, a diminutive of testis, meaning 'witness.' The popular story is that it refers to testifying to one's virility — and the connection to legal 'witness' and 'testimony' likely is real, though the exact logic ancient Romans had in mind (witness to manhood, witness paired with its fellow witness) is debated rather than certain. Testis itself may ultimately trace to a root meaning 'third' — a third party standing by to witness — though that deeper root is reconstructed, not documented.

origin word
latin testis meaning witness, same root as testify
temperature control
hang lower when hot to keep sperm cooler
production rate
make about 1500 sperm cells per second
size asymmetry
left usually hangs lower than right, totally normal
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