Answer:
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The spinal leaves the skull through the foramen magnum, and then goes into the vertebral column the first vertebra is called the ATLAS
Answer:
parathyroid hormone (PTH), which is produced by the parathyroid glands. I hope it helps
Explanation:
Production of the mature sperm cells have 4 step process beginning at puberty and throughout the male's lifetime. Spermiogenesis is the final process for production of sperm where the spermatids mature into motile spermatozoa. For humans, the spermatogenesis takes 74 days to 120 days and if the transport on the ductal system is included it would take 3 months.
