MCQ
Haversian system is found in
- AAtlas of man
- BIlium of man
- ✓Femur of man
- DLumbar of man
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$I$. Increases phagocytes of sperms
$II$. Releases $C u^{2+i i}$ ions that suppresses the sperms motility and fertilizing capacity of sperms
$III$. Make the uterus unsuitable for implantations
Column $-I$ Column $-II$
$(a)$ $6-15$ pairs of gill slits $(i)$ Trygon
$(b)$ Heterocercal caudal fin $(ii)$ Cyclostomes
$(c)$ Air Bladder $(iii)$ Chondrichthyes
$(d)$ Poison sting $(iv)$ Osteichthyes