These had no leaves or roots, instead they had green photosynthetic stems which served as both anchors in the ground and photosynthetic surface.
Answer: Central and Peripheral.
Explanation: The nervous system has two major divisions: central and peripheral. The central nervous system contains the brain and the spinal cord. The peripheral nervous system contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body.
<span>either AX, Ax, aX, ax
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<span>The Growth hormone (GH) is of greatest importance in human development. It is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans. GH is produced by the pituitary gland, and it also helps to regulate body composition, body fluids, and muscle and bone growth.</span>
<span>it can form four covalent bonds it forms very strong bonds
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