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Q: A group of similar cells that perform a specific function is a(n) A. organ system. B. organ. C. tissue. D. organism.
A: hi the answer is c=organ system is to organ
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User: A group of similar cells that perform a specific function is a(n) A. organ system. B. organ. C. tissue. D. organism.

Weegy: hi the answer is c=organ system is to organ
cartina|Points 303|

User: Hemoglobin carries oxygen to the body's cells. Which system contains hemoglobin? A. nervous B. endocrine C. respiratory D. circulatory

Weegy: D. circulatory
batotoy|Points 1475|

User: When working muscle cells are deprived of oxygen they produce A. alcohol. B. lactic acid. C. citric acid. D. acetone

Weegy: B. lactic acid.
sunny4691|Points 683|

User: Muscles that cause joints to straighten are A. smooth. B. flexors. C. extensors. D. striated

Weegy: C. extensors.
sipichapie|Points 4356|

User: Connective tissue structures that attach muscles to bones are known as A. tendons. B. smooth muscle. C. skeletal muscle. D. ligaments

User: Connective tissue structures that attach muscles to bones are known as A. tendons. B. smooth muscle. C. skeletal muscle. D. ligaments

User: The energy required for muscle contraction comes from A. ATP. B. ligaments. C. oxygen. D. chlorophyll.

Weegy: A. ATP. The chemical energy in the phosphate bond of ATP is used to contract muscles.
eturker|Points 2018|

User: Which type of muscle is striated? A. skeletal B. smooth C. cardiac D. both (A) and (C)

Weegy: A cardiac muscle is striated, but it is also branched with one nucleus in each muscle cell.
jtcw78|Points 61|

User: Which type of muscle is used primarily for voluntary actions? A. skeletal B. smooth C. cardiac D. both (B) and (C)

Weegy: A. skeletal muscle is used primarily for voluntary actions.
debnjerry|Points 31598|

User: Opposing pairs of muscles involved in movement are called A. tendons and ligaments. B. flexors and extensors. C. smooth and striated muscles. D. skeletal and cardiac muscles.

Weegy: B. flexors and extensors
ArslanBasit|Points 1610|

User: In humans red blood cells are primarily produced in the red marrow. To which body system does red marrow belong? A. integumentary system B. circulatory system C. muscular system D. skeletal system

Weegy: To which body system does red marrow belong? D. skeletal system
patmarone|Points 5049|

User: Tough connective tissue structures that hold bones together are known as A. tendons. B. smooth muscles. C. striated muscles. D. ligaments.





Weegy: A. tendons.
Expert answered|sipichapie|Points 4356|



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Asked 5/24/2012 4:14:13 PM
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