<span>Cilia projections from cell surfaces that aid in locomotion and feeding; also used to sweep substances along surface, as well has flagella which is a tail-like projection that aids in locomotion</span>
7.5 too, its kinda of ratio, 1cm : 1Km to 7.5cm : x
x will be equal 7.5 km
Answer:
NA+ gates open and flow into the Sarcolemma of the muscle fiber.