Answer:
The answer is A: first class lever
A healthcare professional will typically use an index to locate basic information.
<span>The vertebrate cerebrum (brain) is formed by two cerebral hemispheres that are separated by a groove, the medial longitudinal fissure. The brain can thus be described as being divided into left and right cerebral hemispheres</span>
Efferent Nerves send signals to your brain to move your muscles.
Time
You are only increasing the amount of time you are on the bicycle.