Podcast
Questions and Answers
What is the purpose of the large hole in the center of the vertebral body?
What is the purpose of the large hole in the center of the vertebral body?
- To allow the spinal cord to pass through (correct)
- To allow the spinal nerves to exit
- To increase the strength and flexibility of the vertebral column
- To serve as a joint for movement of the spine
Which part of the vertebral column is curved inwards relative to the front of the body?
Which part of the vertebral column is curved inwards relative to the front of the body?
- Sacral curve
- Cervical curve
- Lumbar curve
- Thoracic curve (correct)
What is the purpose of intervertebral discs?
What is the purpose of intervertebral discs?
- To allow the spinal cord to pass through
- To increase the strength and flexibility of the vertebral column
- To allow for some movement of the spine (correct)
- To serve as a joint for movement of the spine
Which region of the spine has a convex curve outwards relative to the front of the body?
Which region of the spine has a convex curve outwards relative to the front of the body?
What is the approximate length of the vertebral column in adult male humans?
What is the approximate length of the vertebral column in adult male humans?
Which bones make up the auditory ossicles in the middle ear?
Which bones make up the auditory ossicles in the middle ear?
Which bones are unique to mammals?
Which bones are unique to mammals?
How many facial bones form the face?
How many facial bones form the face?
Which bones cover the top of the head?
Which bones cover the top of the head?
Which of the following is NOT one of the facial bones?
Which of the following is NOT one of the facial bones?
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Study Notes
Vertebral Body
- The large hole in the center of the vertebral body allows the spinal cord to pass through.
Spinal Curvature
- The thoracic region is curved inwards relative to the front of the body.
Intervertebral Discs
- Intervertebral discs act as shock absorbers and allow for flexibility in the spine.
Spinal Regions
- The lumbar region has a convex curve outwards relative to the front of the body.
Vertebral Column
- The approximate length of the vertebral column in adult male humans is around 71 cm (28 inches).
Auditory Ossicles
- The malleus, incus, and stapes bones make up the auditory ossicles in the middle ear.
Unique Bones
- The auditory ossicles are unique to mammals.
Facial Bones
- There are 14 facial bones that form the face.
Cranium
- The frontal, parietal, occipital, and temporal bones cover the top of the head.
Non-Facial Bones
- The mandible (lower jawbone) is NOT one of the facial bones.
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