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Anatomy 3: The Cell

Organization of the Human Body--Maintaining a homeostatic environment--Systems

Cellular Level of Organization: Basic structure and function level of human body
Why is the cellular level important in regards to diseases? It is where disease originates
What is Homeostasis? Day to day REGULAR activity of human body (balanced)
Disease: A result of homeostasis in the cellular level
Cytology: Anything related to cell (CYT)
Acute Homeostatic Imbalance: Small change in the cell balance
Chronic homeostatic imbalance: Disease, body may adjust or shut down
Basal Metabolic rate: The optimum metabolism rate unique to individuals
How is metabolism divided? Catabolic and Anabolic
Catabolic: To break down nutrients, releases energy
Anabolic: To form more complicated molecules from simple, requires energy
Thyroid glands: Regulate metabolism
Explain the scientific implications of being tired: The thyroid glans it not producing enough nutrients to regulate metabolism--you're tired
Explain the diveristy of cells: Cells are unique in their funciton and shape--they are differentiated
Histology: Study of tissues
What are the four main tyipes of tissues? Epithilium, connective, muscle, and nervous
Epithilium: Tissue that lines and covers (SKIN)
Connective: Blood, bone cartilage, fat--most abundant in body
Muscle: Specialized (can contract to give movement)
Nerouvs: Conducts electricity, which is how the organs communicates
Micrsocopic anatomy: Combination of cytology and histology: study of tissue cells
What is the definition of an organ? What is an organ? A combination of two or more tissues: organs work together in a system
What is the optimum glucose level in body? 90
What happens when you consume a lot of sugar? What is the scientific term of having too much sugar? Homeostatic imablance, you become hyper glycimia
How do you lower your level of glucose? Pancreas releases insulin, whiich goes to cell receptor to reduce level to 90
How is type I diabetes related to the increase in glucose level? Type I diabetes is when the pancreas can't produce insulin, so give them insulin to treat them
What is type II diabetes? Pancrease makes insulin, but cells don't respond to insuliin, so get them to change their diet to help them, but they will never return to homeostatic balance
What is it called to have too little level of sugar? How is this cured? Hypo glycimia--EAT SOMETHING
What is the optimum blood pressure level in the human body? 120/80
How do you overcome a blood pressure of 130/100? You must lower heart rate by neurotransmitters telling heart not to pump much blood by reducing the force of heart muscle contraction.
What is the vasodialator? Reduces blood pressure by forcing vessels to expand or dialate
What is hypertension? When the blood vessels rapture; it is a chronic problem
What is the simple definition of hypo tension? Below normal blood pressure level; such as having a pressure of 90/40
What is the medical implications of having hypo tension? Your blood vessels don't have enough pressure to send blood upto the brain; thus, you may be dizzy at times
define orthostatic blood pressure? Low blood pressure when you're standing
define systolic? Which (numerator or denominator) is systolic in this problem: 120/80 Blood pressure when heart is contracting; 120 is the systolic pressure
What is the key, central information radiating throughout this unit? All systems interact with other systems to maining a homeostatic balance
How many total systems exist of the human body? 11
What are they? Skin, skelatal, muscular, nervous, endocryn, cardiovascular, lymphatic, respitory, digestive, urinary, reproductive
What makes up the nervous system? Brain and spinal cord, which extends through the abdomen
What makes up the endocryn system? Glands that make hormones and thyroid gland (regulates homeostasis)
What makes up your cardiovascular system? Heart and blood vessels
What makes up the lymphatic System? Series of vessels that are in charge of draining body fluids
Created by: talkglitter2486