CBSE Class 12th Biology Syllabus 2025-26: The 12th class curriculum for 2025–2026 was made available by the CBSE Board. The curriculum for CBSE Class 12 Biology 2025–2026 is available for students to ...
Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.
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