Malia Faith Nelson-A Beka Book- Chapter 3- Your Wonderful Body
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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| Muscular system | Responsible for producing the movements of your body
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| About ___ of your body weight is ______. | Half, muscle
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| Skeletal muscles | Muscles that you directly control with a conscious mind
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| Tendons | Tough, cordlike things that attach skeletal muscles to the bones of the skeletal system
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| Muscles are like ropes they can ____, but they never ____. | pull, push
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| Origin | Anchors one side of a skeletal muscle
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| Insertion | Attaches the other side of the skeletal muscle.
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| The __________ is always pulled ______ the origin. | Insertion, organ
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| Involuntary muscles | Do their work whether you think about them or not; they are vital to your body
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| Nervous system | Coordinates the activities of your body
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| What are the two major divisions of your brain? | Central nervous system and peripheral nervous system
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| Central nervous system | The brain and the spinal cord
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| Peripheral nervous system | Composed of nerves and nerve tissues called ganglia
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| Nerves | Bundles of fibers that connect the central nerbous system with the rest of the body
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| Nerves transmit information through your body as electrochemical messages called ________. | Impulses
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| ________ travel to and from the central nervous system allowing the _____ and ______ ____ to control all your other body systems. | Impulses, brain, spinal cord
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| Brain | Chief organ of the nervous system and consists of the cerebrum, the cerebellum, and the brain stem.
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| Cerebrum | Largest part of the brain and controls conscious though and reason
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| The cerebrum is divided into two halves or ___________. | Hemispheres
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| Cerebellum | Responsible for balance and skeletal muscle coordination. Coordinates activities like walking writing speaking and riding a bike.
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| Brain stem | Connects the rest of the brain to spinal cord
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| Spinal cord | Controls simple reflexes and transmits impulses from the brain to the peripheral nervous system
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| Sensory nerve fivers | Transmits information to the brain and the spinal cord
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| Motor nerve fibers | transmit messages form the central nervous system to the muscles and other organs
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| Sensory receptors | Special nerve endings that detect conditions around you.
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Or sort by any of the columns using the down arrow next to any column heading.
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