9. Where do the true ribs attach? 10. What is another name for the knee cap? 11.
ID: 3480993 • Letter: 9
Question
9. Where do the true ribs attach?
10. What is another name for the knee cap?
11. Briefly describe the structure and function of skeletal muscles.
12. Where is smooth muscle generally found?
13. What is an intercalated disk?
14. What chemical accounts for muscle fatigue?
15. The main muscle used in breathing is the _____________?
16. How many muscles are there in the human body?
17. List the 4 characteristics common to all muscle types.
18. What is the name of the large, triangle-shaped muscle in the upper back?
19. Define dystonia.
20. What is the name of the main muscle that forms the calf?
Explanation / Answer
9. The true ribs are attached to the sternum.
10. Knee cap is also known as patella.
11. Skeletal muscles are voluntary muscles. They are straited muscles. They have multinucleated cells. Skeletal muscles helps in movement of the body. They also provide support to the body.
12. Smooth muscles are generally found in hollow organs, such as GI tract, wall of blood vessels etc.
13. Intercalated discs are found in cardiac muscles. Cardiac cells are connected to each other via intercalated discs.
14. Lactic acid accounts for muscle fatigue.
15. Diaphragm and intercoastal muscles are involved in breathing.
16. Around 650 muscles are found in human body.
17. The 4 characteristics of all muscles are contractility, elasticity, excitability and extensibility.
18. Trapezius is the name of the large, triangle-shaped muscle in the upper back.
19. Abnormal muscle tone due to some neurological issues or some side effects of drug therapy.
20. The gastrocnemius and soleus muscles are the main muscles that forms the calf.
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