Nervous And Endocrine System Essay
Homeostasis is the process of keeping of the internal environment of cells constant. It ensures that the changes that occur do not threaten to interfere with the proper functioning of the body. If the body detects changes in its working conditions, it brings about corrective changes to avoid repercussions of the change. The homeostatic mechanisms have at least three independent components, namely a receptor, integrating center, and effector. The receptor senses change in the environment known as stimuli and then sends the information to the integrating center. The integrative center sends instructions to the effectors. The effector then brings about the response that solves restores the variable to normal. The nervous system and the endocrine system help in coordination in animals. However, the endocrine system comprises of endocrine glands that are ductless which secrete hormones. The interaction between these hormones forms a communication network in the body. They work together in order to maintain homeostasis. Both the nervous and endocrine systems interact to bring about the homeostasis mechanisms. Nerve endings detect changes in the internal and external environment and relay the information to the brain. The hypothalamus and pituitary are endocrine glands situated in the brain. The hypothalamus detects changes in the …show more content…
Nerve endings detect changes in the internal and external environment and relay the information to the brain. The hypothalamus and pituitary are endocrine glands situated in the brain. The hypothalamus detect changes in the blood while the pituitary secretes a number of hormones involved in the homeostasis such as the antidiuretic hormone (ADH). The ADH controls the amount of water and is produced by the pituitary gland. On the other hand, Aldosterone controls the amount of salt and is produced by the adrenal glands. For example, if there are changes
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1633 Words | 7 PagesThe posterior lobe is then responsible for storing the hormones made by the neurons of the hypothalamus. The hypothalamo-hypophyseal portal system is the specific way the hypothalamus communicates with the anterior lobe of the pituitary gland. This portal system consists of blood vessels that carry hormones of the hypothalamus to the anterior lobe. The anterior lobe then responds by making its own hormones. The anterior lobe hormones can go and control other glands.
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4529 Words | 19 PagesThe anterior pituitary is devoid of a nerve supply, but has a unique blood supply, a portal system. The hypothalamohypophyseal portal system begins in a series of capillaries in the median eminence of the hypothalamus sends blood via veins to the anterior lobe, where it ends in a series of capillaries. This portal system carries neurohormones from the hypothalamus to the anterior pituitary where they control the secretion of anterior lobe hormones. The anterior pituitary consists of five different endocrine cell types, identified by antibodies against pituitary hormones and capable of production and secretion of pituitary hormones: 1.
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820 Words | 4 PagesThe endocrine system is such an important system to the body because it functions the bodies use of hormones. The body uses many different hormones and the endocrine system regulates these. When the glands of the endocrine system secrete the hormones, the hormones are put into the bloodstream to be sent to the different parts of the body. The glands that comprise the endocrine system are the hypothalamus, the pituitary gland, and the pineal gland which are all located in the brain, the thyroid, parathyroid, and thymus which are located in the throat, the adrenals and pancreas which are located in the body’s midsection, and the ovaries (female) and testes (male) which are located in the pelvic region. The system is so important because it regulates the body’s metabolism, growth and sexual development, digestion, heart rate, and many of the other body functions regulated by hormones.
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