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7Sci Chapter 5
Body Organization & Structure
| Question | Answer |
|---|---|
| What does homeostasis maintain in the body? | a stable internal environment |
| What is a tissue? | a group of similar cells that work together |
| What is a collection of two or more tissues that work together to perform a function called? | an organ |
| What is the type of tissue that supports and protects organs called? | connective tissue |
| What system absorbs oxygen from the air and releases carbon dioxide? | respiratory system |
| What system sends out chemical messages? | endocrine system |
| What system breaks down food into nutrients? | digestive system |
| What system supports and protects body parts? | skeletal system |
| What system sends and receives electrical messages? | nervous system |
| What system helps defend against disease? | lymphatic system |
| Tissue that cushions the ends of bones where they meet in a joint. | cartilage |
| What your bones store to help your nerves and muscles work properly. | minerals |
| A place where two or more bones meet. | joint |
| Material that fills some of your bones and makes blood cells. | marrow |
| Joint that allows the bones in your hand and wrist to move. | gliding joint |
| Joint that allows you to move your arm in all directions. | ball-and-socket joint |
| Joint that allows you to flex and extend your leg. | hinge joint |
| An injury in which a ligament is stretched too far or torn | sprain |
| Disease that causes bones to become weak and break more easily. | osteoporosis |
| Disease that causes joints to swell or stiffen. | arthritis |
| What does the muscular system allow you to do? | move |
| Where can smooth muscles be found? | in the walls of blood vessels and the digestive tract |
| What type of muscle is only found in the heart? | cardiac muscle |
| What are skeletal muscles attached to to help you move? | bones |
| What is the muscle that bends part of your body called? | a flexor muscle |
| What is the muscle that straightens part of your body called? | an extensor |
| What do people do during resistance exercise? | work against weight |
| What is moderately intense activity that improves endurance called? | aerobic exercise |
| What is a strain? | an injury in which a muscle is overstretched or torn |
| What is tendonitis? | when a tendon becomes inflamed |
| What are small organs in the skin that help regulate body temperature? | sweat glands |
| What is the thicker, underlying layer of skin called? | dermis |
| What substances does skin keep out of your body? | foreign particles |
| What system includes hair, skin, and nails and covers the body? | integumentary system |
| What part of your skin lets you feel things? | nerve endings |
| What is the outermost layer of skin called? | epidermis |
| What is a function of the hair follicle? | make hair |
| How does hair help your body? | It protects skin from ultraviolent light |
| Where does a nail grow? | From living cells in the nail root |
| What may cause acne of the skin? | too much oil produced by the skin glands |
Created by:
masonteach
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