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14 Cards in this Set
- Front
- Back
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What are tissues? What are the 4 kinds of tissue?
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Tissues are the building blocks for human body. The 4 kinds are epithelial, nervous, muscular, and connective.
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What is epithelial tissue?
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This lines most body surfaces, and protects other tissues from dehydration
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Describe the three types of muscle tissue
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Smooth - not striated in appearance, involuntary.
Cardiac - striated, involuntary, only in heart Striated - voluntary muscles |
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What are bone cells called?
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osteocytes
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Describe the parts of the bone
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Periosteum - outer covering
Spongy bone - contains red marrow Compact bone - the hard part Epiphysis - rounded end of bones |
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Where is bone marrow formed?
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in hollow cavities called Haversian Canals
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What are the two proteins in muscles?
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Actin and myosin
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What are tendons? What are ligaments?
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Tendons connect muscle to bone. Ligaments connect bone to bone.
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What are the different kinds of joints?
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Pivot - allow limited side to side
Hinge - allows for bending and straightening Ball and Socket - allows greatest range |
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What is the Integumentary system? What is its purpose?
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This contains skin. It protects the body against pathogens and regulates body temperature.
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Describe the Epidermis
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This is the outer layer of skin and is as thick as a single sheet of paper. It is water proof and cells are replaced every 30 days.
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Where are nerve cells, hair follicles, blood vessels and sweat glands located?
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In the Dermis.
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What is in the Subcutaneous layer?
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This contains connective tissue and fat
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What causes skin cancer?
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UV radiation leading to genetic mutation
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