Question

1. Our body receives external stimulus through
( )
A) Sense organs
B) Brain
C) Spinal cord
D) Nerves
2. This centre for all sensory activities
( )
A) Spinal cord
B) Brain
C) Heart
D) Eyes.
3. Nerves that carry signals from the sense organs are called
A) Motor nerves
B) Spinal nerves
C) Sensory nerves
D) Cranial nerve​

Answer 1

Answer:

When muscles receive information from internal or external stimuli, muscle fibers are stimulated by their respective motor neuron. Impulses are passed from the central nervous system down neurons until they reach the motor neuron, which releases the neurotransmitter acetylcholine (ACh) into the neuromuscular junction

Answer 2

Answer:

1.Brain

2.spinal cord

3.I don't know sorry

Explanation:

please make it as brainlist answer