CELLLS
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Anatomy | structure of human body
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| Physiology | study of processes, how and why they work, function
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| Pathophysiology | study of how diseases occur and body's response.
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| Cells | basic unit of all living things
microscopic
vary in shape and size
perform different functions
carry on all functions of life ( take in food, oxygen, produce heat & energy)
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| Cell membrane | outer protective covering semi permeable- selective in allowing substances in and out of cell
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| Cytoplasm | surrounds nucleus gel like fluid inside cell contains water, salts, protien site of all chemical reactions in cell (Organelle- structures that help cell function)
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| Nucleus | mass in cytoplasm "brain" of cell controls cell activity important in cell division
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| Nucleolus | "protien factory" inside nucleus important in cell reproduction has ribosomes (RNA and Protien), reproduction
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| chromatin | inside nucleus contains DNA and protien condenses to form chromosomes human cell has 46 chromosomes and 23 pairs(genes)
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| centrosomes | inside cytoplasm, near nucleus contain 2 centrioles (seperate in cell division and form fibers that attach to chromosomes)
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| mitochondria | "Furnace" or "Powerhouse" rod shaped organelles located throughout cytoplasm
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| Golgi Apparatus | stack of membrane layers in cytoplasm produces, stores, packages, secretions for discharge from cell
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| Endoplasmic Reticulum | fine network of tubular structures in the cytoplasm transports materials in and out of nucleus aids in synthesis and storage of protien
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| lysosome | contain enzymes that digest and destroy old cells and bacteria important to immune system
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| pinocytic vesicle | pocket like folds in cell membrane allow molecules to enter cell
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| Mitosis | asexual cell reproduction used by most cells
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| Meiosis | process by which sex cells reproduce
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| tissues | water and dissolved subs. joined together for common purpose
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| edema | swelling
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| dehydration | inadequate amt. of fluid in tissues
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| Epithetial tissue | covers surface of body skin forms lining of intestines, respiratory, circulatory and urinary form glands in body that reproduce
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| connective tissue | supports organs and other body parts
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| soft connective | Adipose= fatty tissue insulates, padding and energy Fibrous= ligaments/tendons- hold body structures together
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| Hard connective | Cartilage- tough elastic material, btwn bones and at ends of long bones (shock absorber, flexible) found in nose, ears, and larynx (gives shape/form) bone-osseous tissue , forms rigid body structure
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| liquid connective | vascular tissue Blood and lymph circulates O2 and CO2 also transports tissue fluid to circulatory sys.
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| Nerve Tissue | made of neurons controls and coordinates bodys actions by transmitting messages through body Nerves- brain, spinal cord= made of nerve tissue
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| muscle tissue | produces power and movement
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| 3 types of muscle | Skeletal= attached to bone (movement) Cardiac= heart (causes heart to beat) visceral= (smooth) found in walls of respiratory tract, digestive tract, blood vessels and urinary tract
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| organs | 2 or more tissues joined together for a specific purpose
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| system | organs and other body parts joioned together for a particular function * systems work together to form the human bodyyy
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| NERVE | control and communicate
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| EPITHELIUM | secrete and protect
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| MUSCLE | move and protect
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| CONNECTIVE | support and connnect
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