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The Organization of the human body Body Systems The Skeletal System • Consists of approximately 206 bones • Bones, Bone marrow, cartilage, joints, ligaments, synovial membrane and fluid, and bursa • Divided into Axial and Appendicular • Axial – 80 bones – Thoracic Cavity, Skull and Vertebrae • Appendicular – 126 bones – Arms and Legs •Function • Acts as the framework of the body • Support and protect internal organs • Makes movement The Skeletal System • Identify the following bones • Skull • Frontal • Temporal • Parietal • Occipital • Maxilla • Mandible • Zygomatic • General • Clavicale • Radius • Ulna • Humerus • Tibia • Fibula • Metacarpals • Metatarsals The Muscular System • •Consists of approximately 600 muscles •Skeletal •Smooth •Cardiac •Function •Hold the body erect and make movement possible •Generates 85% of our body heat •Moves food through the digestive system •Moves fluids through other body systems The Muscular System • Identify the following Muscles • Biceps brachii • Tricep brachii • Pectoralis major • Deltoid • Stenocleidomastoid • Tapezius • Latissimus dorsi • Gluteus medius • Gluteus maximus • Vastus lateralis • Gastrocnemius The Cardiovascular System • •Consists of : •Heart •Blood vessels •Arteries •Arterioles •Capillaries •Venules •Veins •Function •Pumps blood to all body tissue •Blood transports oxygen and nutrients to the tissue •Blood returns waste products from the tissue to the kidneys and Co2 to the lungs •Plays an important part in the immune system The Cardiovascular System • •Chambers - 4 •Artia – 2 •Left and right •Ventricles – 2 •Left and right •Valves – 4 •Tricuspid •Pulmonary •Bicuspid or Mitral •Aortic •Right side – Deoxygenated •Left side - Oxygenated The Cardiovascular System • •Electical System •Sinoatrial node •SA node •Atialventricular node •AV node •Bundle of HIS •Left and Right Bundle Branches •Perkinje fibers •Valves – 4 •Tricuspid •Pulmonary •Bicuspid or Mitral •Aortic •Right side – Deoxygenated •Left side - Oxygenated The Lymphatic and Immune System • •Lymphatic System consists of 400 – 700 lymph nodes •Lymph fluid •Lymph vessels •Lymph capillaries •Lymph nodes •Tonsils •Thymus Gland •Spleen •Immune System •White blood cells (WBC) •Neutrophils •Lymphocyte •Monocytes •Eosinophils •Basophils •Antibodies The Respiratory System • •The Respiratory System consists of: •Nasal Cavity •Pharynx •Larynx •Epiglottis •Trachea •Bronchus •Lungs •Alveoli •Functions •Delivers air to the lungs •Brings in oxygen and releases Co2 •Aids in speach The Digestive System • •The Digestive System consists of: •Oral cavity •Pharynx •Esophagus •Stomach •Liver, Gallbladder, Pancreas •Small Intestines •Colon, Rectum, Anus •Functions •Digestion of food to provide nutrients to the body tissues Special Senses • •Special Senses include: •Eyes •Ears •Taste buds •Touch •Functions •Sight, Visions •Hearing The Endocrine System • •The Endocrine System includes: •Glands •Pituitary •Pineal •Thyroid •Parathyroid •Thymus •Pancreas •Adrenal •Gonads •Functions •Messengers The Reproductive System • •The Reproductive System includes: •External Genitalia •Breasts •Labia •Penis •Scrotum •Internal Genitalia •Ovaries •Uterus •Fallopian tubes •Testes •Vas deferens •Functions •Reproduction The Reproductive System • Levels of Organization in the body • Organ Systems (11)