Which are the special proteins in muscles that contract and relax to cause movement?
13 - Chambered heart occurs in
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One of the following cannot be performed by animals
Name the blood cells in which nucleus is absent
Islets of Langerhans are present in
Cortisol is secreted by
The gland that is present close to Trachea
Chemical Co- ordination in the body is brought out by
The inner most membrane that covers the brain is