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transport oxygen, nutrients, and hormones to cells |
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controls growth, development, and metabolism |
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protects the body from disease; collects lost fluid and returns to circulatory system |
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serves as a barrier against infection and injury |
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recognizes and coordinates the body's response to changes in its environments |
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supports the body; protects internal organs; allows movement |
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tough layer of connective tissue surrounding a bone |
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soft tissue inside the cavities within bones; two types are yellow and red marrow |
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made up primarily of fat cells |
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produces red blood cells, some kinds of white blood cells, and cell fragments called platelets |
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strong connective tissue that supports the body and is softer and more flexible than bone |
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process of bone formation, during which cartilage is replaced by bone |
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place where one bone attaches to another |
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strip of tough connective tissue that holds bones together at a joint |
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protein that makes up the thick filaments in striations in skeletal muscle cells |
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protein that mainly makes up the thin filaments in striations in skeletal muscle cells |
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tough connective tissues; connect muscles and bones |
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subcutaneous layer of fat beneath the dermis |
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tough, fibrous protein found in skin |
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dark-brown pigment found in skin |
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tubelike pocket of epidermal cells that extends into the dermis; cells at the base produce hair |
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alternative name for red blood cells |
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iron-containing protein found in the red blood cells that help the oxygen bind |
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alternative name for white blood cells |
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digest bacteria, prevent infections, fight parasites |
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function of white blood cells (3) |
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percent of plasma portion of blood that is water |
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get worn out from squeezing through narrow capillaries |
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reason why red blood cells have a short life span |
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type of white blood cell that produces antibodies that help destroy pathogens |
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clot blood; cell fragment released by bone marrow that helps in blood clotting |
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muscle attached to a bone that remains stationary during muscle contraction |
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muscle attached to a bone that moves when the muscle contracts |
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basal cell, squamous cell |
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two most common types of skin cancer |
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most fatal type of skin cancer |
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Do men or women most often get melanomas? |
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produce sweat; takes heat and wastes away |
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produce oily secretion called sebum; spreads out along surface of skin and helps to keep keratin-rich epidermis flexible and waterproof |
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