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Lecture 27

BIOL 4260 Lecture 27: Human_anatomy_class_notes

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Boston College
BIOL 4260

find more resources at • Protects deep tissues from injury and synthesizes Vitamin D (Skin) • Organs= • Glands= sweat and oil Skeletal System • Composed of bone, cartilage, and ligaments • Protects and supports body organs • Provides the framework for muscles • Site of blood cell formation • Stores minerals Muscular system • Composed of muscles and tendons • Allows manipulation of the environment, locomotion, and facial expression • Skeletal muscle, cardiac muscle, and all organs have smooth muscle Nervous system • Composed of the brain, spine and nerves • Controls fast-acting response to stimuli o =fast-acting control system of the body o responds to stimuli by activating muscles and glands Homeostasis • = our body will maintain a stable internal environment Cardiovascular system • Composed of heart and blood vessels • Heart pumps blood • Vessels transport blood through the body • Includes nutrients and waste Lymphatic System • Composed of red bone marrow, thymus, spleen, lymph nodes, and lymphatic vessels • Picks up fluid leaked from blood vessels and returns it to blood • Disposes of debris in the lymphatic stream • Houses white blood cells involved with immunity • Blood pumps 5 Liters of blood and expects it all to come back • Anything left behind in spaces between the cells is picked up by lymphatic’s find more resources at
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