The Systems Used by Plants and Animals to Stay Alive

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Plants and animals have many systems that they use daily stay alive. The nervous system is a network of nerve cells and fibers that transmits nerve impulses between parts of the body. The endocrine system are a bunch of glands that produce endocrine secretions that help control bodily metabolic activity. This includes pituitary, thyroid, parathyroids, adrenals, islets of Langerhans, ovaries, and testes. Plants don't have a nervous or endocrine system. However they do have substitutes. Animals do have proper nervous and endocrine systems. The nervous system can be divided into parts: central and peripheral. The central nervous system is controls body movements, reactions, thoughts etc. The peripheral system comprises the nerves (“Nervous and Endocrine Systems”). The endocrine system controls the chemical distributed throughout the body. The main tool used by the endocrine system is a compound called a hormone. The body uses these hormones to regulate growth, digestion, body temperature etc. ("ENDOCRINE SYSTEM - ON A MOLECULAR LEVEL"). Digestive and urinary systems are essential to life. The digestive system are various organs and glands that help remove waste from the body. This system consists of the small intestine, large intestine, ending with the rectum and anus.The urinary system are the organs that produce, collect and eliminate urine. This system consists of the two kidneys, ureters, the bladder, and the urethra. Plants don’t have a digestive or urinary system, but

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