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Which two body systems most directly cause the arm to bend?
- a)Skeletal and muscular
- b)Reproductive and circulatory.
- c)Respiratory and excretory.
- d)Nervous and digestive
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which two body systems most directly cause the arm to bend?a)Skeletal ...
Skeletal and muscular system allow a human arm to bend and move.
This question is part of UPSC exam. View all Class 6 courses
Most Upvoted Answer
Which two body systems most directly cause the arm to bend?a)Skeletal ...
Skeletal and muscular cause the arm to bend So option (A) is the correct answer.
Community Answer
Which two body systems most directly cause the arm to bend?a)Skeletal ...
Skeletal and Muscular Systems
The skeletal and muscular systems are the two body systems that most directly cause the arm to bend.
Skeletal System:
- The skeletal system provides the framework that allows movement.
- Bones in the arm, such as the humerus, radius, and ulna, form the structure that the muscles attach to.
- Joints, like the elbow joint, allow for movement by enabling bones to articulate with each other.
Muscular System:
- Muscles are responsible for generating the force needed to move the bones at the joints.
- When the brain sends a signal to bend the arm, the muscles in the arm contract, pulling on the bones to create movement.
- Muscles work in pairs - when one muscle contracts to bend the arm, the opposing muscle relaxes to allow the movement to occur smoothly.
Interaction between Skeletal and Muscular Systems:
- The muscles in the arm, such as the biceps and triceps, work in coordination with the bones and joints to produce the bending motion.
- The bones provide the leverage and support for the muscles to generate movement, while the muscles provide the necessary force for the bones to move.
In conclusion, the skeletal system provides the structure and support necessary for movement, while the muscular system generates the force needed to produce the bending motion in the arm. Together, these two systems work in harmony to allow us to perform everyday tasks such as bending our arms.
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Which two body systems most directly cause the arm to bend?a)Skeletal and muscularb)Reproductive and circulatory.c)Respiratory and excretory.d)Nervous and digestiveCorrect answer is option 'A'. Can you explain this answer?
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