Major Muscles of the Human Body
Explore the major muscles of the human body, their functions, and classifications with this comprehensive worksheet for Grade 11 science students.
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Major Muscles of the Human Body
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Read each question carefully and provide your best answer. Use your knowledge of human anatomy and physiology to complete the tasks.
1. Which of the following muscles is primarily responsible for extending the forearm?
Biceps brachii
Triceps brachii
Deltoid
Pectoralis major
2. The gastrocnemius muscle is located in which part of the body?
Thigh
Calf
Shoulder
Abdomen
3. The is a large, fan-shaped muscle that covers the upper portion of the chest.
4. The primary function of the quadriceps femoris group is of the leg at the knee joint.
5. Smooth muscles are responsible for voluntary movements of the skeletal system.
True
False
6. The deltoid muscle is a major muscle of the shoulder.
True
False
7. Briefly describe the three types of muscle tissue found in the human body.
Match each muscle with its primary action.
8. Biceps femoris
a. Plantarflexion of foot
9. Trapezius
b. Flexion of knee
10. Orbicularis oculi
c. Elevation, depression, retraction, and rotation of scapula
11. Soleus
d. Closing the eyelid
12. Label the indicated major muscles on the human torso diagram.
A.
B.
C.
D.