Human Nervous System
Definition: Your nervous system is your body's command center. Originating from your
brain, it controls your movements, thoughts and automatic responses to the
world around you. It also controls other body systems and processes, such as
digestion, breathing and sexual development (puberty).
MCQs
Why heart beat
and breathing increase during exercise?
a) to expire carbon dioxide
b) to excrete
urea
c) to energy requirement
d) to gain ammonia
Organ cannot work properly by themselves, they require…….
a) oxygen
b) carbon dioxide
c) signal
d) none of these
Neurons:
Neurons
(also called neurones or nerve cells) are the fundamental units of the brain
and nervous system, the cells responsible for receiving sensory input from the
external world, for sending motor commands to our muscles, and for transforming
and relaying the electrical signals at every step in between.
Nervous
system is made up of cells called……
a) neuron
b)
nephron
c) cells
d) all of these
