MCQ
Which is not correct about bones?
- AGround substance is hard and non pliable.
- BIt is connective tissue.
- CBones support and protect softer tissuesand organs.
- ✓Bone marrow is not site for production of blood cells.
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$I.$ $AIDS$ patient become easily infected by bacteria, viruses and even parasites
$II.$ The person is unable to protect himself against any infection
$III.$ National $AIDS$ Control Organisation $(NACO)$ and non-governmental organization are trying their best to educate people about $AIDS$
Which of the statements given above are correct?
$R$ : These cells are involuntary in function.