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Body Systems Review

Respiratory System Exchanges gases in the lungs
Respiratory System functions 1. Gets oxygen from air for body's cells (inhaling) 2. Gets rid of carbon dioxide waste from cells (exhaling) 3. Allows us to speak
Respiratory System structures Nose/sinuses, Pharynx, Larynx, Trachea, Bronchi/Bronchioles, Lungs.
Nose/Sinuses make air warm, moist, and clean (hairs/mucus) Sinuses affect your voice.
Pharynx (throat) Both food & air pass. Epiglottis keeps you from choking.
Larynx (Vocal cords)
Trachea windpipe.
Bronchi/Bronchioles Smaller passages that split heading into the lungs
Lungs Spongey organs filled with Alveoli
Alveoli Tiny air sacs with two jobs: 1. Stuff O2 into capillaries 2. allow O2 into bronchioles.
Respiratory Disorders Bronchitis, Asthma, Cystic Fibrosis
Bronchitis Irritation of bronchia passage causing coughing
Cystic Fibrosis Build-up of mucus in the lungs. Mucus must be loosened and coughed up very often
Asthma Bronchial passages inflame, shrinking up and making breathing difficult
Respiratory System Homeostasis By maintaining the proper amounts of oxygen and carbon in your blood
Respiratory System Stimulus Tiring muscles while exercising
Respiratory System Reponse Faster breathing rate to supply more oxygen to muscles
Circulatory System Network of heart and vessels moving blood through the body
Circulatory System Functions 1. Carries nutrients to cells from digested food 2. Carries oxygen to cells from inhaled air 3. Carries wastes from cells to kidneys and lungs 4. Fights diseases
Circulatory System structures Heart, blood, arteries, veins, capillaries
Blood vessels Lined with smooth muscles, ability to change thickness
Artery Carries blood away from the heart
Vein Carries blood back to the heart
Capillary Tiny vessel that connects arteries to veins. Gasses, nutrients, and wastes are exchanged with cells in these
Blood Made up of different cells & tissues
Plasma Yellowish clear liquid part of blood
Platelets Blood cells that clump together to make a clot
Circulatory System disorders Atherosclerosis, Hypertension, Heart Attack
Atherosclerosis Fat clogs inside your arteries
Hypertension (high blood pressure), heart works too hard
Heart attack Arteries feeding oxygen and nutrients to the heart gets blocked
Red blood cells carry oxygen to other blood cells
White blood cells Fight germs & eat dead body cells
Chambers Left Artium, Left Ventrical, Right Atrium, Right Ventrical
Left Atrium Recieves high O2 blood from lungs
Left Ventrical Pumps high O2 blood to body
Right Atrium Recieves low O2 blood from body
Right Atrium Pumps low O2 blood to lungs
Heart Made of cardiac muscle
Cellular Respiration Gluctose + O2 → water(waste) + CO2(waste) + Energy
Breathing The diaphragm muscle pulls down on the lungs, which creates a "vaccum"
4 components of blood Palsma, platelets, white blood cells, red blood cells
What can cause high blood pressure? Arteries get clogged with fat
What can cause low blood pressure? Broken blood vessel in body (internal bleeding)
Created by: forster_891454