Human Skeletal System Overview

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What is the primary function of the skeletal system as described in the text?

Producing and regulating hormones

Maintaining balance in the body

Supporting and anchoring soft organs (correct)

Facilitating nerve transmission

Which bones are included in the axial skeleton?

Hyoid bone and auditory ossicles

Skull bones, ribs, and sternum (correct)

Bones forming the girdles

Bones of the upper and lower limbs

What is the main difference between compact and spongy bone tissue?

Density (correct)

Blood supply

Cellular composition

Function

Which component of the skeletal system is responsible for blood cell formation?

Bone marrow Signup and view all the answers

What is the function of osteocytes in bone tissue?

Maintaining bone tissue Signup and view all the answers

Which type of bone cell is responsible for bone resorption?

Osteoclasts Signup and view all the answers

What is the structure known as a sponge-like meshwork consisting of trabeculae in bone tissue?

Trabecular bone Signup and view all the answers

Which type of bone features elongated cylinders oriented parallel to the long axis with spongy bone meshwork?

Long bone Signup and view all the answers

What fills the spaces within the meshwork of trabecular bone?

Marrow and blood vessels Signup and view all the answers

Which component is NOT a characteristic feature of spongy (cancellous) bone?

Presence of Haversian canals Signup and view all the answers

In which type of bone tissue are the spaces within the meshwork continuous and occupied by marrow and blood vessels?

Spongy bone Signup and view all the answers

Which type of bone tissue is responsible for reducing the weight of the bone?

Spongy bone tissue Signup and view all the answers

Where is the location of spongy bone in bones primarily?

At the ends of long bones (epiphysis) Signup and view all the answers

What is the primary function of compact bone tissue in bones?

To provide strength and support Signup and view all the answers

Which part of a long bone contains densely packed osteons?

Diaphysis (shaft) Signup and view all the answers

Where is the blood supply more concentrated in bones with spongy tissue?

Central canals Signup and view all the answers

What is the primary reason why spongy (cancellous) bone does not contain osteons?

Osteons are not needed due to its high surface area for metabolic exchange Signup and view all the answers

The expanded ends of long bones are also known as:

Epiphyses Signup and view all the answers

Why does spongy (cancellous) bone appear more porous compared to compact bone?

The pores facilitate the diffusion of nutrients and waste products Signup and view all the answers

Which part of a long bone is referred to as the shaft?

Diaphysis Signup and view all the answers

How does the absence of osteons in spongy bone affect its mechanical properties compared to compact bone?

Spongy bone is more flexible and elastic than compact bone Signup and view all the answers

Which cell type is responsible for the deposition of new bone in spongy (cancellous) bone tissue?

Osteoblasts Signup and view all the answers

What term is used for the junction between the diaphysis and epiphysis in a growing bone?

Epiphyseal plate Signup and view all the answers

Which term describes the bone tissue that forms the hard outer shell of bones?

Compact bone Signup and view all the answers

In what way does the structural arrangement of spongy bone contribute to its role in metabolic functions?

Increases contact surface for vascularization and nutrient exchange Signup and view all the answers

In long bones, where is the primary site for red blood cell production?

Red marrow cavity Signup and view all the answers

What is a defining characteristic of diaphysis in long bones?

It is longer in one dimension Signup and view all the answers

How does the length of diaphysis in long bones compare to other bones?

It is the longest part compared to other bones Signup and view all the answers

Human Skeletal System Overview

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Questions and Answers

What is the primary function of the skeletal system as described in the text?

Which bones are included in the axial skeleton?

What is the main difference between compact and spongy bone tissue?

Which component of the skeletal system is responsible for blood cell formation?

What is the function of osteocytes in bone tissue?

Which type of bone cell is responsible for bone resorption?

What is the structure known as a sponge-like meshwork consisting of trabeculae in bone tissue?

Which type of bone features elongated cylinders oriented parallel to the long axis with spongy bone meshwork?

What fills the spaces within the meshwork of trabecular bone?

Which component is NOT a characteristic feature of spongy (cancellous) bone?

In which type of bone tissue are the spaces within the meshwork continuous and occupied by marrow and blood vessels?

Which type of bone tissue is responsible for reducing the weight of the bone?

Where is the location of spongy bone in bones primarily?

What is the primary function of compact bone tissue in bones?

Which part of a long bone contains densely packed osteons?

Where is the blood supply more concentrated in bones with spongy tissue?

What is the primary reason why spongy (cancellous) bone does not contain osteons?

The expanded ends of long bones are also known as:

Why does spongy (cancellous) bone appear more porous compared to compact bone?

Which part of a long bone is referred to as the shaft?

How does the absence of osteons in spongy bone affect its mechanical properties compared to compact bone?

Which cell type is responsible for the deposition of new bone in spongy (cancellous) bone tissue?

What term is used for the junction between the diaphysis and epiphysis in a growing bone?

Which term describes the bone tissue that forms the hard outer shell of bones?

In what way does the structural arrangement of spongy bone contribute to its role in metabolic functions?

In long bones, where is the primary site for red blood cell production?

What is a defining characteristic of diaphysis in long bones?

How does the length of diaphysis in long bones compare to other bones?

Which of the following terms best describes the shape of the diaphysis in long bones?

What is a common characteristic of the shaft of diaphysis in long bones?

In what dimension are diaphysis long bones longer?

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