CHATGPT Unit 11-16 Flashcards
(30 cards)
What are the main functions of the integumentary system?
Protection, regulation of body temperature, sensation, and vitamin D synthesis
What are the layers of the skin?
Epidermis, dermis, and hypodermis
What is the function of sweat glands?
To help regulate body temperature through evaporation
What is the role of melanin?
Protects against UV radiation by absorbing sunlight
What are accessory structures of the skin?
Hair, nails, and glands
What are the functions of the skeletal system?
Support, protection, movement, mineral storage, blood cell formation
What are the types of bones?
Long, short, flat, irregular, sesamoid
What is bone remodeling?
The continuous process of bone resorption and formation
What cells are involved in bone remodeling?
Osteoblasts (build bone), osteoclasts (break down bone)
What is the epiphyseal plate?
Growth plate where bone lengthens in children
What are the three types of joints?
Fibrous, cartilaginous, and synovial joints
What are the parts of a synovial joint?
Articular cartilage, joint cavity, synovial fluid, ligaments, capsule
What is the function of synovial fluid?
Lubricates the joint and reduces friction
Give an example of a hinge joint.
Elbow or knee
What type of movement does a ball-and-socket joint allow?
Flexion, extension, rotation, abduction, adduction
What is biomechanics?
The study of the mechanical laws relating to movement or structure of living organisms
What are the three types of levers in the human body?
First-class, second-class, and third-class
Which class of lever is most common in the body?
Third-class lever
Give an example of a third-class lever in the body.
Flexion of the forearm at the elbow using the biceps
What is torque?
A measure of the force that can cause an object to rotate around an axis
What are the three types of muscle tissue?
Skeletal, cardiac, and smooth
What is the origin of a muscle?
The fixed attachment point
What is the insertion of a muscle?
The movable attachment point
Name a major muscle involved in elbow flexion.
Biceps brachii