Will give brainiest!! The nervous system is the major controlling, regulatory and communicating system in the body. It is the center of all mental activity including thought, learning and memory.

(A) Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
(B) Like other systems in the body, the nervous system is composed of organs, principally the brain, spinal cord, nerves and ganglia
. (C) These, in turn, consist of various tissues, including nerve, blood and connective tissue.
(D) Sensory input is converted into electrical signals called nerve impulses that are transmitted to the brain.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl