Anatomy Skeletal 3/27 Flashcards
What is the total number of bones in the human body?
206
The number of bones can vary slightly due to anatomical variations.
What is the primary function of bones in the body?
Support, protection, movement, mineral storage, and blood cell production.
What hormones are involved in bone remodeling?
Parathyroid hormones (PTH).
What are the two main types of skeletons in the human body?
- Axial Skeleton * Appendicular Skeleton
How many bones are in the axial skeleton?
80.
What are the three parts of the axial skeleton?
- Skull * Vertebral Column * Thoracic Cage
What are the two types of bones that make up the skull?
- Cranial bones * Facial bones
How many cranial bones are there?
8.
Which bone is known as the forehead bone?
Frontal bone.
What is the term for the movable joint connecting the mandible?
Temporomandibular joint (TMJ).
How many facial bones are there?
14.
What are the two components of the nasal septum?
- Vomer bone * Perpendicular plate of the ethmoid bone.
What is the function of the paranasal sinuses?
- Lighten the skull * Amplify sounds * Participate in sense of smell.
What is unique about the hyoid bone?
It does not articulate with any other bone.
How many vertebrae are in the vertebral column?
26.
What are the names of the primary spinal curvatures?
- Thoracic curvature * Sacral curvature.
What are true ribs?
Ribs 1 through 7.
What are false ribs?
Ribs 8 through 12.
What are floating ribs?
Ribs 11 and 12.
What is the composition of the appendicular skeleton?
- Limbs * Pectoral girdle * Pelvic girdle.
What is the primary function of the clavicle?
To connect the arm to the body.
What is the largest bone in the human body?
Femur.
What bones make up the forearm?
- Ulna * Radius.
How many bones are in each hand’s carpal region?
8.
What is the largest tarsal bone in the foot?
Calcaneus.
What is the role of the tibia?
To support the weight of the body.
What are the three types of arches found in the foot?
- Two longitudinal arches * One transverse arch.
What is the anatomical position of the ulna?
Medial bone.
What is the anatomical position of the radius?
Lateral bone.
What is the purpose of the intervertebral discs?
To act as shock absorbers between vertebrae.
