5. In the context of muscle contraction, what is the role of ATP (adenosine triphosphate)? a) It provides oxygen to muscles. b) It is a neurotransmitter that signals muscle contraction. c) It supplies ...
Here we are providing NCERT solutions for CBSE Class 11 Biology chapter – Breathing and Exchange of Gases. All these model solutions have been prepared by the subject experts. These solutions will ...