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14138481615Why study anatomy & physiology?curiosity about the human body and how it works it is basis for medicine and improving human life0
14138481616What is anatomy?the study of bodily structure location and organization1
14138481617What is physiology?the study of bodily functionality2
14138481618How are anatomy and physiology interconnected?the structure of the human body at all levels of organization allows for its functionality3
14138481619How is the human body organized?from smallest to largest atoms molecules cells tissues organs organ systems body4
14138481620What types of teamwork exist in the human body?cells work with cells organs work with organs organ systems work with organ systems5
14138481621What is the meaning of human life?to maintain homeostasis (i.e. survive) in order to reproduce6
14138481622What is homeostasis?the minoriting of external and internal conditions and making necessary changes for survival7
14138481623How are external and internal conditions monitored?signals are received by sensors that communicate the message to the brain8
14138481624What are negative feedback loops?mechanisms that regulate homeostasis by returning the body to an ideal state (i.e. reverse change)9
14138481625What are positive feedback loops?mechanisms that regulate homeostasis by telling the body from its normal state (i.e. embrace chance)10
14138481626What are the three major requirements for maintaining homeostasis?food oxygen and water11
14138481627Why is food a requirement for maintaining homeostasis?it provides the necessary nutrients for cells to function the body as a whole to grow and develop12
14138481628Why is oxygen a requirement for maintaining homeostasis?it allows for cells to perform cellular respiration to produce atp which is needed to release energy13
14138481629Why is water a requirement for maintaining homeostasis?it allows for dissolving of substances and setting for metabolism (reactions) within cells/ the body14
14138481630What are the major organs of the nervous system?brain, spinal cord, nerves15
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14138481631What are the organs of the nervous system made up of?nervous tissue which primarily made up of neurons (cells)17
14138481632What is the big picture physiology of the nervous system?to control all other body systems and the body as a whole through communication18
14138481633How does the nervous system control the body?electrical and chemical systems allow for the stimulation and inhibition of muscles and glands19
14138481634What are action potentials?the electrical systems are generated and transmitted by neurons in the nervous system20
14138481635What are neurotransmitters?the chemical signals released by neurons in the nervous system21
14138481636What is the three step process of the nervous system?sensory input integration and motor output22
14138481637What is sensory input?how the brain becomes aware of its internal and external environments23
14138481638What makes sensory input possible?sensors receptor cells and sensory neurons24
14138481639What is integration?the brain's job of processing sensory input to make decisions different regions have different functions25
14138481640What makes integration possible?communication between interneurons in the brain26
14138481641What is motor output (voluntary response)?skeletal muscle is contracted to move skeleton27
14138481642What is motor output (involuntary response)?smooth or cardiac muscle is contracted glands are stimulated28
14138481643What makes motor output possible?motor neurons and effector tissues (muscles and glands)29
14138481644In certain cases is there a lack of motor output?yes communication between interneurons in the brain can create its own end result30
14138481645Why are nutrients important?they play specific roles in maintaining homeostasis and cellular metabolism in the body31
14138481646What is the major organ of the digestive system?the gastrointestinal (GI) tract, which includes the mouth, pharynx, esophagus, stomach and intestines32
14138481647Which organs assist the GI tract in digestion?the liver, gallbladder, and pancreas33
14138481648What is ingestion?eating and drinking34
14138481649What is propulsion?the movement of food and drink through the GI tract35
14138481650What allows for propulsion?swallowing followed by involuntary contractions of smooth muscle lining in the GI tract36
14138481651What is the epiglottis and its function?An elastic, cartilaginous flap that blocks food from entering the trachea37
14138481652What is mechanical breakdown?food is broken down physically38
14138481653Where does mechanical digestion take place?In the mouth (chewing), stomach (churning), and intestines (segmentation)39
14138481654What is chemical breakdown?food is broken down by enzymes and other substances40
14138481655Where does chemical digestion take place?In the mouth (saliva), stomach (acid), and intestines (pancreatic enzymes and bile)41
14138481656What is absorption?nutrients from the breakdown move from the GI tract to the bloodstream42
14138481657Where does the majority of absorption take place?At the villi & microvilli (folds) of the small intestine43
14138481658What is defecation?feces (i.e waste) from the digestive process is expelled from the anus of the large intestine44
14138481659What are the anatomical components of the cardiovascular system?Blood, blood vessels, and the heart45
14138481660What are the major functions of blood?1. red blood cells and dissolved proteins transport o2, co2, nutrients, waste, etc. from the body cells 2. white blood cells and antibiotics allow for immune defense46
14138481661What are the functions of the liver?to process, detoxify, and synthesize the substances in blood47
14138481662What is the function of the kidneys?to filter excess water and waste from food (urine is formed)48
14138481663What is the physiology of the respiratory system?to allow for gas exchange with the bloodstream ; o2 is supplied while co2 is removed49
14138481664How does inhalation occur?air moves from the mouth/nose > pharynx > trachea > bronchi > alveoli of lungs50
14138481665What muscles allow for breathing?the diaphragm (sits below rib cage) and intercostals (between ribs)51
14138481666What are blood vessels?hollow organs that transport blood around the body the three types veins arteries and capillaries52
14138481667What are arteries?blood vessels that transport o2/ nutrient rich blood away from the heart and towards body cells53
14138481668What are veins?blood vessels that transport co2/ nutrient pure blood towards the heart and away from the body cells54
14138481669What are capillaries?tiny thin walled vessels that exchange o2 nutrients etc. in blood for co2 and other waste in body cells55
14138481670What is the heart?A muscular organ made up of hollow chambers that pumps blood around the body56
14138481671What is the physiology of the heart?To pump blood to the alveoli of the lungs to allow gas exchange to occur57
14138481672What is the importance of valves found in the heart and in blood vessels?To pump blood to the rest of the body to allow capillary exchange to occur58
14138481673What allows for cardiac muscle contractions?To prevent the backflow of blood in the circulation59

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