skeletal system

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Questions and Answers

What is the main function of the skeleton?

  • Store minerals and fat
  • All of the above (correct)
  • Produce red blood cells
  • Provide support for soft tissues

What is the function of spongy bone?

  • Stores minerals and fat
  • Forms most of the shaft of long bones
  • Protects internal organs
  • Forms blood cells (correct)

What is the periosteum?

  • A fatty tissue for energy storage
  • A dense outer layer with few internal spaces
  • A covering that nourishes bones (correct)
  • A latticework of bone

What is the structural unit of compact bone?

<p>Osteon (A)</p> Signup and view all the answers

What is the axial skeleton?

<p>The part of the skeleton that protects and supports internal organs (C)</p> Signup and view all the answers

What is the appendicular skeleton?

<p>The part of the skeleton that allows movement and interaction with the environment (D)</p> Signup and view all the answers

What is the function of yellow marrow?

<p>To store minerals and fat (C)</p> Signup and view all the answers

What is the function of red marrow?

<p>To produce red blood cells (A)</p> Signup and view all the answers

What is the function of canaliculi?

<p>To connect nearby lacunae and the central canal (A)</p> Signup and view all the answers

What is the function of the pectoral girdle?

<p>To allow movement and interaction with the environment (B)</p> Signup and view all the answers

What is the function of the pelvic girdle?

<p>To protect and support internal organs (B)</p> Signup and view all the answers

What is the function of the vertebral column?

<p>To protect and support internal organs (A)</p> Signup and view all the answers

What is the function of the skeleton?

<p>Provides support for soft tissues (D)</p> Signup and view all the answers

What is the function of yellow marrow in long bones?

<p>Energy storage (D)</p> Signup and view all the answers

How many bones does the human body have?

<p>206 (C)</p> Signup and view all the answers

What is the composition of most bones?

<p>Both compact and spongy bone (B)</p> Signup and view all the answers

What are the functions of the skeleton?

<p>All of the above (C)</p> Signup and view all the answers

What is the function of yellow marrow?

<p>To store minerals and fat (A)</p> Signup and view all the answers

What is the difference between compact and spongy bone?

<p>Spongy bone has a latticework structure (B)</p> Signup and view all the answers

What is the periosteum?

<p>A covering that nourishes bones (B)</p> Signup and view all the answers

What is the function of the axial skeleton?

<p>Protects and supports internal organs (C)</p> Signup and view all the answers

What is the function of the appendicular skeleton?

<p>Allows movement and interaction with the environment (B)</p> Signup and view all the answers

What is the structural unit of compact bone?

<p>Osteon (D)</p> Signup and view all the answers

What are the components of the axial skeleton?

<p>Skull, vertebral column, sternum, ribs (D)</p> Signup and view all the answers

What are the components of the appendicular skeleton?

<p>Pectoral girdle, pelvic girdle, limbs (A)</p> Signup and view all the answers

What is the function of spongy bone in adults?

<p>To form blood cells (D)</p> Signup and view all the answers

What is the cavity in the shaft of long bones filled with?

<p>Yellow marrow (A)</p> Signup and view all the answers

What are the functions of the periosteum?

<p>To nourish the bones (D)</p> Signup and view all the answers

What is the function of the periosteum?

<p>To nourish the bones (D)</p> Signup and view all the answers

Where is spongy bone typically found in the body?

<p>In the skull and face (C)</p> Signup and view all the answers

What is the structural unit of compact bone?

<p>Osteon (C)</p> Signup and view all the answers

What happens in the red marrow of spongy bone?

<p>Blood cells form (C)</p> Signup and view all the answers

What is the function of canaliculi in compact bone?

<p>To connect nearby lacunae and central canal (D)</p> Signup and view all the answers

What is bone remodeling?

<p>The process of both breaking down old bone tissue and depositing new bone tissue (C)</p> Signup and view all the answers

What are osteoblasts responsible for?

<p>Depositing new bone tissue (C)</p> Signup and view all the answers

What is the role of estrogen in bone remodeling in women?

<p>Inhibit the breakdown of bone (D)</p> Signup and view all the answers

What hormone increases blood calcium levels?

<p>Parathyroid hormone (PTH) (B)</p> Signup and view all the answers

What is osteoporosis?

<p>A condition resulting from the breakdown of bone faster than it is deposited (C)</p> Signup and view all the answers

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