always leads to another systems function. If one organ becomes ineffective/damaged‚ then that person may not function well and end up passing away. There are eleven organ systems within the human body: integumentary‚ skeletal‚ muscular‚ nervous‚ endocrine‚ circulatory/cardiovascular‚ lymphatic‚ respiratory‚ digestive‚ urinary‚ and reproductive. The nervous system sends messages by electrical pulses telling all the organs what to do like the brain. When you digest food/nutrients your digestive system
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The Biology of Mind Neuron Communication Neuron is a nerve cell‚ basic building block our nerve system Neurons consists in: Dendrites : neurons bushy branches and it listens Axons: Tube that passes the messages and it speaks – transmit Action potential : is a neural impulse‚ brief electrical charge that travels down an axon. Threshold: is the level of stimulation required to trigger a neural impulse Myelin Sheath covers an axon and some neurons Synapse : is the junction
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Chapter 2 Outline The Biological Perspective Neuron A specialized cell transmitting nerve impulses; a nerve cell Dendrites Dendrites are treelike extensions at the beginning of a neuron that help increase the surface area of the cell body and are covered with synapses Soma The soma is the cell body of a neuron. Axon The Axon of a neuron is a singular fiber that carries information away from the soma to the synaptic sites of other neurons (dendrites and somas)‚ muscles‚ Glial
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The pancreas is a dual-function gland‚ having features of both endocrine and exocrine glands. The part of the pancreas with endocrine function is made up of approximately a million[3] cell clusters called islets of Langerhans. Four main cell types exist in the islets. They are relatively difficult to distinguish using standard staining techniques‚ but they can be classified by their secretion: α cells secrete glucagon (increase glucose in blood)‚ β cells secrete insulin (decrease glucose in blood)
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ST.JOSEPH’S CO-ED SCHOOL PROJECT ON BIOLOGY HORMONAL DISORDER OF THYROID GLAND CERTIFICATE This is to certify that SIDDHI AGRAWAL of class XI A Has completed a project in biology on the topic HORMONAL DISORDER: THYROID in the session 2012-13 under the guidance of DEVAMITA TEACHER as per the CBSE guidelines ACKNOWLEDGEMENT I SIDDHI AGRAWAL express my
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immune system‚ endocrine system‚ digestive system‚ excretory system‚ respiratory system‚ integumentary system‚ and the reproductive system. The skeletal system is the foundation to the body containing 206 bones and movable and immovable joints. The skeletal system has many important functions such as providing shape and form‚ supporting and protecting our bodily organs‚ allowing body movements‚ producing red and white blood cells for the human body and stores calcium. Muscles
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the general characteristics of each type‚ and where in the body each type is located. 9. You should be able to identify each type of tissue when looking at a prepared slide or overhead picture. 10. Explain how the endocrine and exocrine glands vary in structure and function. Endocrine: inside 11. Be able to draw and label the following orientation and directional terms: superior‚ inferior‚ anterior‚ posterior‚ medial‚ lateral proximal‚ distal‚ superficial‚ and
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Non-steroid hormones Hormones that are lipid soluble and readily pass through cell and nuclear membranes of their target cells to make new proteins which alter the normal activity of the cell are Steroid hormones Endocrine glands secrete Hormones directly into the blood
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genetic material. Overall‚ prokaryotic cells is much differ than eukaryotic cells‚ as well as the structure of their organelles and functions. Question: Name four different hormones. Describe by which gland/location/target which cells. Explain steroid and non-steroid hormones. Some endocrine glands are specialist that primarily secrete hormones into blood‚ such as the thyroid. Some serve as dual roles by
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Why is M.D. Anderson considering a new endocrine center? Does the idea make sense? M.D. Anderson Cancer Center was considering a new endocrine center in order to focus about clinical care and research in an endocrinology and how the efforts can been fragmented. Due to endocrine disorders are complex and involve various body parts and processes of the body which balance hormones in the human body. With various
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