The image is a detailed anatomical illustration of the human muscular system from a frontal perspective. The diagram is labeled with numbers corresponding to different muscles or muscle groups. Below is an explanation of the labeled parts from the image:1. Frontalis2. Temporalis3. Orbicularis oculi4. Zygomaticus5. Masseter6. Orbicularis oris7. Sternocleidomastoid8. Trapezius9. Deltoid10. Pectoralis major11. Biceps brachii12. Brachialis13. Brachioradialis14. Serratus anterior15. Rectus abdominis16. External oblique17. Sartorius18. Rectus femoris19. Vastus medialis20. Vastus lateralis21. Tibialis anterior22. Gastrocnemius23. Soleus24. Trapezius (continuation on lower limbs)25. Latissimus dorsi26. Internal oblique27. Transversus abdominisThe illustration helps in understanding the location and relation of each muscle in the human body, providing a useful reference for students learning about human anatomy.Note: This explanation interprets the numbers based on typical human anatomy positioning, and some labels may vary according to specific diagrams or textbooks. The image shows an interactive educational tool designed to test knowledge of human muscles. It appears to be a matching or drag-and-drop activity where numbered blank fields (11 to 20) on the left correspond to muscle names listed on the right. Users are likely expected to match each muscle name with the correct blank field number.### Muscle Names Provided:- Platysma- Adductor- Sartorius- Trapezius- Deltoid- Tensor fasciae latae- Masseter- Gracilis- Pectoralis Major- Gastrocnemius### Instructions:Participants will probably need to drag each muscle name to the corresponding blank field based on their muscles' anatomical location or function. This kind of exercise aids in learning and memorizing the locations and roles of various muscles in the human body.

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

The image is a detailed anatomical illustration of the human muscular system from a frontal perspective. The diagram is labeled with numbers corresponding to different muscles or muscle groups. Below is an explanation of the labeled parts from the image:

1. Frontalis
2. Temporalis
3. Orbicularis oculi
4. Zygomaticus
5. Masseter
6. Orbicularis oris
7. Sternocleidomastoid
8. Trapezius
9. Deltoid
10. Pectoralis major
11. Biceps brachii
12. Brachialis
13. Brachioradialis
14. Serratus anterior
15. Rectus abdominis
16. External oblique
17. Sartorius
18. Rectus femoris
19. Vastus medialis
20. Vastus lateralis
21. Tibialis anterior
22. Gastrocnemius
23. Soleus
24. Trapezius (continuation on lower limbs)
25. Latissimus dorsi
26. Internal oblique
27. Transversus abdominis

The illustration helps in understanding the location and relation of each muscle in the human body, providing a useful reference for students learning about human anatomy.

Note: This explanation interprets the numbers based on typical human anatomy positioning, and some labels may vary according to specific diagrams or textbooks.

The image shows an interactive educational tool designed to test knowledge of human muscles. It appears to be a matching or drag-and-drop activity where numbered blank fields (11 to 20) on the left correspond to muscle names listed on the right. Users are likely expected to match each muscle name with the correct blank field number.

### Muscle Names Provided:
- Platysma
- Adductor
- Sartorius
- Trapezius
- Deltoid
- Tensor fasciae latae
- Masseter
- Gracilis
- Pectoralis Major
- Gastrocnemius

### Instructions:
Participants will probably need to drag each muscle name to the corresponding blank field based on their muscles' anatomical location or function. This kind of exercise aids in learning and memorizing the locations and roles of various muscles in the human body.

Expert Solution

Step 1: Understanding the muscular of the human body

The human skeletal muscular system is a complex network of muscles that provides the body with the ability to move, maintain posture, and perform various functions. Here’s a brief overview:

1. Muscle Types:

• Skeletal muscles: These are the muscles attached to the bones via tendons and are under voluntary control. They enable us to perform movements like walking, running, and lifting objects.

2. Structure:

• Skeletal muscles are composed of muscle fibers (muscle cells) bundled together. These fibers contain myofibrils, which are responsible for muscle contractions.

3. Functions:

• Movement: Skeletal muscles contract and relax to produce the diverse range of body movements.

• Posture: Muscles work continuously to keep the body in an upright position and maintain stability.

• Support: Muscles aid in supporting and protecting internal organs.

• Heat production: Muscle contractions generate heat, contributing to the body’s temperature regulation.

4. Control:

• Skeletal muscles are under conscious control and are regulated by the central nervous system (brain and spinal cord).

5. Contractions:

• Muscles contract when stimulated by motor neurons, which transmit signals from the nervous system.

• Contraction occurs through the sliding filament theory, where actin and myosin filaments in muscle cells slide past each other, causing the muscle to shorten.

6. Type of muscle fibres:

• Skeletal muscles contain different types of muscle fibers, such as fast-twitch (for rapid, powerful movements) and slow-twitch (for sustained, endurance-related activities).

7. Muscle Groups:

• The body has over 600 skeletal muscles, organized into various groups, each with specific functions. These include muscles of the arms, legs, chest, back, and more.

8. Maintenance:

• Proper nutrition, exercise, and rest are essential for the health and maintenance of skeletal muscles.