The costal cartilage connects the two together
The autonomic nervous system releases chemical messengers to influence its target organs
The control group outs the one that you don't change. The reason you don't change it is because you use it as a comparison with the other groups.
The provide direct energy because they help it grow plants and when plants grow it helps us live.
But it also provides indirect energy because the sun can cause droughts which is bad because with droughts we dont have enough water to water the plants and with that they dry out and die.
Answer:
The white matter fibers are the main component of the brain. Three different types of white matter fiber are :
Commissural fibers:
This fiber is important for the connection of the corresponding left hemisphere and right hemisphere of the brain.
Projection fibers:
These fibers helps in the connection of the brain stem and the spinal cord with the cerebral cortex.
Association fibers:
These fibers are associated with the connection of the brain regions within the same hemisphere of the brain.
