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Questions and Answers
What is the purpose of cartilage in the human skeleton?
What is the purpose of cartilage in the human skeleton?
- To make bones stronger
- To increase the number of bones in the body
- To help with hearing
- To allow for greater flexibility than bone (correct)
How many bones does the human body have at birth?
How many bones does the human body have at birth?
- 200 bones
- 400 bones
- 80 bones
- 800 bones (correct)
Which bone is the longest and strongest in the human body?
Which bone is the longest and strongest in the human body?
- Radius
- Humerus
- Tibia
- Femur (correct)
What is the purpose of the small bones called 'stapes' in the ear?
What is the purpose of the small bones called 'stapes' in the ear?
What is the function of the human skeleton?
What is the function of the human skeleton?
What is the main function of a skeleton?
What is the main function of a skeleton?
What element is abundant in bones?
What element is abundant in bones?
How often does collagen in bones replenish itself?
How often does collagen in bones replenish itself?
Which part of your body has the most bones?
Which part of your body has the most bones?
What happens to new bones that grow after a bone fracture?
What happens to new bones that grow after a bone fracture?
What is the 'funny bone' not actually made of?
What is the 'funny bone' not actually made of?
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Study Notes
Functions of the Skeleton
- Provides shape and structure to the body
- Enables movement in different ways
- Protects internal organs
Bones
- Made of calcium
- Contain collagen which replenishes itself every 7 years
- Are alive, meaning they grow, transform, and repair
- Number of bones in the human body decreases from 300 at birth to 206 in adulthood
Human Skeleton
- Consists of individual bones and cartilages
- Framework that supports the body
- Cartilages are attached to the body, allowing flexibility and weight-bearing capacity
Interesting Bone Facts
- The funny bone is actually a nerve that runs inside the elbow
- The hand has the most bones in the body
- The femur is the longest and strongest bone in the body
- The smallest bones in the body are the stapes, which help with hearing
Bone Growth and Development
- Bones grow, transform, and repair themselves throughout life
- We lose 94 bones from birth to adulthood through a process of fusion
- New bone that grows to replace broken bones can be even stronger
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