Functions and Structure of the Skeletal System Flashcards
(52 cards)
What is the skeletal system?
Framework for muscles, enabling body movement.
What is the musculoskeletal system?
Combination of skeletal and muscular systems.
How many bones are in the human body?
206 bones.
What are joints?
Connections between bones allowing movement.
What are ligaments?
Tissues connecting bones at joints.
What are tendons?
Connective tissues attaching muscles to bones.
What is the primary function of the skeletal system?
Body movement.
What does the framework of the skeletal system provide?
Structural support for the body against gravity.
What is the protective function of the skeletal system?
Safeguards vital organs from injury.
What do bones store?
Calcium, phosphorus, sodium, potassium.
Where does red blood cell production occur?
In long bone cavities, vital for oxygen transport.
What is calcium essential for?
Bone health and muscle function.
What is haemoglobin?
Protein in red blood cells transporting oxygen.
What are the types of bones?
Includes short, long, sesamoid, flat, irregular bones.
What is the vertebral column?
Column of irregular bones maintaining posture.
How many vertebrae are in the human spine?
33 vertebrae.
What are intervertebral discs?
Shock-absorbing structures between vertebrae.
What are epiphyseal plates?
Growth plates at long bone ends.
What are the major classifications of joints?
Three major classifications of joints.
What does muscle contraction do?
Pulls on bones, facilitating movement.
What is yellow bone marrow?
Source of long-term energy in adult bones.
What is the cervical region?
Upper section of the vertebral column.
What is the lumbar region?
Lower section of the vertebral column.
What is the function of intervertebral discs during movement?
Shock absorption.
