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31 Cards in this Set
- Front
- Back
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What is homeostasis?
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The maintenance of a stable internal environment in the body.
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What can affect homeostasis?
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Outside factors suchas temperature,
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What are the five layers of organization in the body from smallest to largest?
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cells, tissues, organs, systems
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Describe what a cell is?
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the building blocks of life
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A group of cells working together to perform a common function is known as what?
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tissue
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Describe the function of each of the four types of tissues.
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epithelial- protect
nervous- send messages muscle- create movement connective- joins and supports |
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Explain what an organ is and give an example of an organ in the body and explain what tissues are in that organ.
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organ= two or more tissues working together
stomach- connective, epithelial, nevous, muscle |
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What are the major parts of the skeletal system?
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bones, cartilage, connective tissue
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Describe each of the four functions of the skeletal system.
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protection- prevents damage
movement- where muscles attach blood cell formation- marrow storage- minerals/fat |
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What are the cells that deposit minerals into the bone?
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osteoblasts
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What are the major tissues of the bone?
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spongy and compact
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Describe each of these tissues.
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compact- rigid and dense
spongy- support and strength |
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Is a bone alive or dead? Explain your answer.
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alive- it grows over time
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What is the difference in the two types of marrow?
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yellow- fat
red- makes blood cells |
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What is a joint?
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where two bones meet
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Describe the two major groups of joints.
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movable- you can move them
inmovable- you can't |
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Where can immovable joints be found in the body?
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skull
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What are the four major types of movable joints? Describe the movement of each joint and at least one place in the body each can be found.
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gliding- back and forth, wrist
ball-and-socket- all directions, hip hinge- opens and closes like door, elbow |
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What are the two major categories of muscle tissue?
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involuntary and voluntary
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Describe each of the three major types of muscle tissue and where they can be found.
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smooth- involuntary in organs
cardiac- involuntary in heart skeletal-voluntary what you eat |
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Be able to describe how skeletal muscles work in pairs to create movement.
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biceps contract triceps relax bend
biceps relax triceps relax straighten |
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Describe each of the three types of fractures discussed in class.
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simple- clean break
greenstick- one break one bend norm in kids compound- breaks then go through skin |
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Be able to discuss the different types of arthritis talked about in class.
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osteo- cartilage breaks down
rheumatoid- body breaks cartilage down |
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Know the difference between sprains and strains.
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sprain- ligament
strain- muscle or tendon |
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Be able to describe the difference in tendons and ligaments.
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tendons muscle to bone
ligaments bone to bone |
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Know the role of cartilage in the body
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to prevent grinding between bones
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What are the three major components of the integumentary system?
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skin, hair, nails
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Describe each of the five major functions of skin and be able to discuss how each function of the skin supports another system of the body.
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protection- immue keep out bacteria
gathers info- nervous produces VD- skeletal maitains temperature- eliminates waste- |
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What are the two major layers of the skin?
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dermis and epidermis
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Be able to discuss the functions of each layer of the skin.
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epidermis- cushions and protects replaced every 4 weeks melanin is produced
dermis- inner layer... contains sweat glands, blood vessels, nerves, hairs, etc |
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In what layer of the skin are nerves, blood vessels, oil glands, and sweat glands found?
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dermis
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