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Why Do Skeletal Muscles Work In Pairs? | KnowsWhy.com
Agonist vs. Antagonist. Muscle pairs: Muscles are grouped together in pairs on your skeleton Relaxed or contracted: When one muscle of a pair contracts, the other relaxes Pulling muscles. Skeletal muscles only pull in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the ...
how to muscles work in pairs

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Oct 03, 2012 · They cannot push bones apart. Muscles that move bones work in pairs. One muscle contracts and pulls the bones together. This type of muscle is called a flexor muscle. This causes the second muscle to relax. Then the other muscle contracts and pulls the same bones apart causing the first muscle to relax. We call this muscle an extensor muscle.
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[DOCX File]Overview - English - ESOL - Literacy Online
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28. Why do muscles always work in antagonistic pairs? Use the term bank below to answer the following. Some muscles may be used more than once or not all. a. orbicularis oris b. pectoralis major c. external oblique. d. sternocleidomastoid e. biceps brachii f. deltoid. g. rectus femoris h. sartorius i. gracilis. j. adductor muscle k. temporalis l.
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[DOC File]How much do we make
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How do muscles work? ... Write sentences describing why muscles need . to move in pairs. Challenge: 1) Identify and research the names of pairs of muscles other than the bicep and . tricep. 2) Watch different animals moving. Can you identify where the largest muscles in the body are.
how do muscles work in pairs

[DOCX File]Mrs. Hamilton 7th Grade Science - Home
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Describe the muscle feature that is being used in each naming scenario. For example, you have probably figured out that trapezius and rhomboids are named for their shapes. The trapezius muscle is shaped like a trapezoid and the rhomboids are shaped like rhombuses. See if you can find a pattern in the remaining pairs.
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[DOCX File]A4.2.1.MuscleRules
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What are the 3 different types of Muscles listed above and how do they differ? What does antagonistic pair mean? One example of an antagonistic pair are the biceps and Triceps research and construct a table of 5 different antagonistic pairs of muscles including what happens when one contracts and relaxes.
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[DOC File]Muscular System Review Packet
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Muscle Tissue. 5. What are . THREE (3) functions of the skeletal system? Support the body. Protect internal organs. Produce blood cells (inside of bones, in marrow) 6. How do pairs of muscles work together? Describe. Muscles work in pairs-when one muscle contracts (or tightens) it pulls the bone in one direction, while the other muscle in the ...
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[DOC File]How Muscles Work
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Why do skeletal muscles work in pairs?because muscle cells can only contract not extend Explain the statement, “Muscles only pull, never push.”they can only …
how do muscles work

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41. Describe how muscles work in pairs. 42. What is the purpose of the ribs and skull? 43. How does the skin act as a sensory organ? 44. Why are the muscles that move food through your digestive track called involuntary muscles? 45. Why must a skin graft be taken from the victim's own body? 46.
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[DOC File]Chapter 14: Muscles, Bones, and Skin
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Point out the key that shows how oxygen and blood move through the body. Have the students work in pairs to create a simple flow diagram that illustrates how our muscles work and what happens when we exercise hard. Have each pair work with another pair to critique their diagrams, checking that they accurately represent these processes.
what happens when muscles work in pairs

Why do muscle work in pairs