Levels Of Organisation + Muscles And Joints Flashcards
What is meant by the term tissue?
Group of similar cells working together.
What is meant by the term organ?
Group of tissue working together.
What is meant by the term organ system?
Group of organs working together.
What are the 4 key roles of the skeleton?
To protect organs, support the body, allow movement, and make blood cells.
What are muscles attached to?
Bones
What attaches bones and muscles together?
Tendons.
What term describes pairs of muscles that work against each other?
Antagonistic
What happens to a muscle when it contracts?
It gets shorter and fatter.
What happens when a muscle relaxes?
It gets longer and thinner.
Give an example of a hinge joint.
Knee / Elbow
Give an example of a ball-and-socket joint.
Hip / Shoulder.
Give an example of a fixed joint.
Skull.
What does a ligament do?
Attaches the bones together.
What does cartilage do?
Reduce friction between bones.
What does fluid do in joints?
It’s a shock absorber.
