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Published byKory Short Modified over 9 years ago
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Blood Blood Pressure Plasma Connective Tissue Carries gases, nutrients, and waste through the body Regulates body temperature Force given off by blood onto the inside walls of arteries Fluid part of blood Mostly water
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Red Blood Cells White Blood Cells Main cells found in blood Carries gas, nutrients, and waste through the body Destroys pathogens Cleans wounds Destroys body cells that have died or are damaged
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Platelets Pieces of larger cells Found in marrow Help with blood clots
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Blood Types 4 Types of Blood 1. A 2. B 3. AB 4. O
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Cardiovascular system 3 Types of Blood Vessels Heart and blood vessels Arteries Capillaries Veins
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Heart Cardiac muscle Size of fist Almost center in your chest cavity
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Blood Vessels Arteries Capillaries Blood vessels Carry blood Away from heart to parts of the body Tiny vessels Allow exchange between body cells and blood
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Blood Vessels cont’d Veins Carry blood back to heart from body cells
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Types of Circulation Pulmonary Circulation Systemic Circulation Flow of blood from heart to lungs back to heart Through pulmonary arteries, capillaries, and veins Flow of blood from heart to all parts of the body back to heart
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Cardiovascular Problems Atherosclerosis Due to cholesterol build up in vessels Major cause of heart disease
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Cardiovascular Problems cont’d High Blood Pressure Also known as hypertension Increased chance of heart attack or heart failure
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Heart Attack When heart muscle cells die Part of heart muscle damaged
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Cardiovascular Problems cont’d Heart Failure Heart cannot pump enough blood to meet body’s demand
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Lymphatic System Lymph Lymph Capillaries Group of organs that collects excess fluids Returns fluids to the blood Fluid absorbed into lymph system Vessels that lymph travels through
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Other Parts of Lymphatic System Bone Marrow Lymph Nodes Where red and white blood cells are made (lymphocytes) Small, bean-shaped Remove pathogens and dead cells
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Thymus Spleen Produces T cells to fight infection Largest lymphatic organ Stores and produces lymphocytes
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Tonsils Found in nasal cavity and back of mouth Help defend against infection Strep Throat
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Respiration Two parts of respiration Process by which gets and uses oxygen Also, releasing of carbon dioxide and water 1. Breathing 2. Cellular Respiration Chemical reaction that releases energy from food
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Respiratory System Group of organs that take in oxygen Get rid of carbon dioxide
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Nose Pharynx Larynx Main passageway in and out of the respiratory system After nose “Throat” Part of throat that contains the vocal chords
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Trachea Bronchi “Windpipe” Guarded by the larynx Splits into two branches Connect to the lungs Branches into bronchioles
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Alveoli Thousands of tiny sacs in the lungs Exchange of gases occur here Branched from bronchioles
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Diaphragm Dome muscle beneath the lungs Controls breathing
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Respiratory Disorders Asthma Causes bronchioles to narrow Can be triggered by irritants such as dust or pollen
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