Human Skeletal System

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Questions and Answers

How many cervical vertebrae are in the vertebral column?

How many lumbar vertebrae are in the vertebral column?

What is the number of thoracic vertebrae in the vertebral column?

How many vertebrae are fused in the sacrum?

5 Signup and view all the answers

How many vertebrae are fused in the coccyx?

4 Signup and view all the answers

Which of the following bones is part of the rib cage?

Sternum Signup and view all the answers

What category of bones does the pelvis belong to?

Irregular bones Signup and view all the answers

Which of the following bones is NOT part of the axial skeleton?

Scapula Signup and view all the answers

What is the term for the hip bone?

Os coxae Signup and view all the answers

Which of the following bones has a peculiar shape?

Pelvis Signup and view all the answers

What type of muscle is responsible for rhythmic contractions of the heart?

Involuntary muscle Signup and view all the answers

What is the characteristic of cardiac muscle that allows it to contract in a rhythmic manner?

Striated appearance Signup and view all the answers

What is the main function of cardiac muscle?

Rhythmic contractions of the heart Signup and view all the answers

What is a characteristic of cardiac muscle that distinguishes it from skeletal muscle?

Involuntary control Signup and view all the answers

What is the term for the type of muscle tissue that is responsible for rhythmic contractions of the heart?

Cardiac muscle tissue Signup and view all the answers

What type of muscle is responsible for movement?

Skeletal muscle Signup and view all the answers

What is the characteristic of skeletal muscle?

Striated muscle Signup and view all the answers

What is the function of skeletal muscle?

Movement and locomotion Signup and view all the answers

What is the category of skeletal muscle based on its function?

Voluntary muscle Signup and view all the answers

What is the term for the connection of muscles to bones?

Muscle attachment Signup and view all the answers

What is the primary function of a ligament?

To connect bone to bone at a joint Signup and view all the answers

What type of tissue is a ligament composed of?

Dense, flexible tissue Signup and view all the answers

What is the primary function of a tendon?

To connect muscle to bone Signup and view all the answers

What is the composition of a tendon?

Dense collagen fibers Signup and view all the answers

What connects muscle to bone?

Tendon Signup and view all the answers

Study Notes

Vertebral Column

Consists of 26 vertebrae, categorized into:
- Cervical vertebrae (7)
- Thoracic vertebrae (12)
- Lumbar vertebrae (5)
- Sacrum (5 fused)
- Coccyx (4 fused)

Axial Skeleton

Includes:
- Skull
- Rib cage
- Sternum
- Scapula
- Pelvis
- Os coxae (hip bone)

Irregular Bones

Have peculiar shapes and cannot be grouped in other bone categories

Connective Tissue

Ligament: dense, flexible tissue that connects bone to bone at a joint
Tendon: consists of dense collagen fibers and connects muscle to bone

Muscle Tissue

Types of Muscle Tissue

Cardiac: involuntary striated muscle responsible for rhythmic contractions of the heart
Skeletal: voluntary striated muscle responsible for movement

Structure of Skeletal Muscle

No additional information provided

Muscle Attachment

No additional information provided

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