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Human Reproduction — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Reproduction2 Marks
Question
Write a short note on external structure of testes.
✓

Answer

→ The testes are situated outside the abdominal cavity within a pouch called scrotum.
→ The scrotum helps in maintaining the low temperature of the testes (2-2.5°C lower than the normal internal body temperature) necessary for spermatogenesis.
→ In adults, each testis is oval in shape, with a length of about 4 to 5 cm and a width of about 2 to 3 cm.
→ The testis is covered by a dense covering.
→ Each testis has about 250 compartments called testicular lobules.

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