CBSE Class 8 - Reproduction in Humans Videos
- can two ova get fertilize at one time?
- do sperm dies in testis? how many sperm dies daily
- as we know when sperm reaches ovum it gets fertilised but I want to know how sperm reaches ovum
- hiw are periods occurs in human body
- what is sperm
- what are chromosomes
- what chemical found in female body ????
- what is reproduction
- what is fertilization
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