The basic unit of structure and function in the nervous system is
the neuron.
a. true
b. false
17
The endocrine system produces chemical messengers called enzymes.
a. true
b. false
18
The thyroid is a link between the nervous and endocrine systems.
a. true
b. false
19
Axons connect sensory neurons to motor neurons.
a. true
b. false
20
The parathyroids regulate the level of calcium in the blood.
a. true
b. false

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands

No plagiarizing ! 6th grade work! easy and 100 compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.