A rapid motor response to a sensory stimulus in which nerve impulses travel in an arc that includes thespinal cord but not
the brain is known as a
a Reflex
b Spinal motion
C Axon
d All of the above

1.the evidene of the reaction

2.yes

3.yes

cell regulation is conducted by special proteins.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

trachea, alveoli, lung capillaries, arteries