The type of muscle present in our:
Correct answer: C. Thigh is striated and voluntary
- A. Heart is involuntary and unstriated smooth muscle
- B. Intestine is striated and involuntary
- C. Thigh is striated and voluntary
- D. Upper arm is smooth muscle and fusiform in shape.
Explanation
A) Cardiac muscles are found in the wall of the heart. It is involuntary and slightly striated.B) Smooth muscles are found in gastrointestinal tract. These are nonstriated and involuntary.C) Striated (or skeletal) muscles are found in the limbs and body walls. These muscles are voluntary (under the control of animal's will) and show dark and light bands thus are striated. (Correct Answer)D) Upper arm has skeletal muscle. It is striated, and voluntary muscles. FTB page # 48 STB page # 42-44
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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