38 Questions
What is the main function of the skeleton?
All of the above
What is the function of spongy bone?
Forms blood cells
What is the periosteum?
A covering that nourishes bones
What is the structural unit of compact bone?
Osteon
What is the axial skeleton?
The part of the skeleton that protects and supports internal organs
What is the appendicular skeleton?
The part of the skeleton that allows movement and interaction with the environment
What is the function of yellow marrow?
To store minerals and fat
What is the function of red marrow?
To produce red blood cells
What is the function of canaliculi?
To connect nearby lacunae and the central canal
What is the function of the pectoral girdle?
To allow movement and interaction with the environment
What is the function of the pelvic girdle?
To protect and support internal organs
What is the function of the vertebral column?
To protect and support internal organs
What is the function of the skeleton?
Provides support for soft tissues
What is the function of yellow marrow in long bones?
Energy storage
How many bones does the human body have?
206
What is the composition of most bones?
Both compact and spongy bone
What are the functions of the skeleton?
All of the above
What is the function of yellow marrow?
To store minerals and fat
What is the difference between compact and spongy bone?
Spongy bone has a latticework structure
What is the periosteum?
A covering that nourishes bones
What is the function of the axial skeleton?
Protects and supports internal organs
What is the function of the appendicular skeleton?
Allows movement and interaction with the environment
What is the structural unit of compact bone?
Osteon
What are the components of the axial skeleton?
Skull, vertebral column, sternum, ribs
What are the components of the appendicular skeleton?
Pectoral girdle, pelvic girdle, limbs
What is the function of spongy bone in adults?
To form blood cells
What is the cavity in the shaft of long bones filled with?
Yellow marrow
What are the functions of the periosteum?
To nourish the bones
What is the function of the periosteum?
To nourish the bones
Where is spongy bone typically found in the body?
In the skull and face
What is the structural unit of compact bone?
Osteon
What happens in the red marrow of spongy bone?
Blood cells form
What is the function of canaliculi in compact bone?
To connect nearby lacunae and central canal
What is bone remodeling?
The process of both breaking down old bone tissue and depositing new bone tissue
What are osteoblasts responsible for?
Depositing new bone tissue
What is the role of estrogen in bone remodeling in women?
Inhibit the breakdown of bone
What hormone increases blood calcium levels?
Parathyroid hormone (PTH)
What is osteoporosis?
A condition resulting from the breakdown of bone faster than it is deposited
Test your knowledge of bone functions and structure with our quiz! Learn about the vital roles bones play in supporting soft tissues, protecting organs, and storing minerals and fat. With 206 bones in the human body, can you identify their varying sizes and shapes? Take the quiz now and discover how certain bones even produce blood cells in the red marrow!
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