Take for example - you touching something sharp and instantly moving your hand away.
Sensory neurons in your fingers detect the external stimuli of the sharp object and send a nerve impulse to the spinal cord (does not reach brain) and is sent back to a motor neurone - attached to an effector that moves the muscle and moves the hand away. This is a rapid reflex action and involuntary.
Answer:
Endoplasmic Reticulum
Explanation:
The endoplasmic reticulum is like the highway system because the cell uses the endoplasmic reticulum to move material throughout the cell like people use highways to move throughout the country.
Answer: Prokaryotes are single cell organisms Eukaryotes are multi-cell organisms
Explanation:
Blood is made in bone marrow !
three functions of skeleton muscle...
1) help in movement
2)help in carrying something
3) support skeletons
As scientists drill the sample they bring up is. Called a core sample
