Skelatel Muscles Flashcards
What is a bone?
A bone is living tissue organized into a system called a skeleton that grows and changes shape as you grow.
What is a joint?
A joint is a place where two bones come together.
What does movement mean in the skeletal system?
Movement is the action performed by muscles in the body, one of the three major functions of bones in the skeletal system.
What is the protection function of bones?
Protection is one of the three major functions of bones in the skeletal system. It helps protect organs like the brain.
What is the skeletal system?
The skeletal system is the system of bones in the human body that provides support, protection, and movement.
What is a skeleton?
The skeleton is the hard inner framework of bones inside your body that provides shape, support, and protection.
What is the skull?
The skull is the hollow case of the head made up of fused flat bones and moveable jaw bones. It surrounds and protects the brain, inner ears, and eyes.
What does support mean in the skeletal system?
Support is one of the three major functions of bones. It helps the body stay upright and holds other parts in place.
What is the torso?
The torso is the main part of the body, including the shoulders, chest, abdomen, and hips.
What is a ball-and-socket joint?
A ball-and-socket joint is where the rounded end of one bone fits into the cup of another bone. It allows movement in two directions, including rotation, and is the most versatile joint.
What is a gliding joint?
A gliding joint is where two bones meet, allowing limited movement in two directions but not rotation.
What is a hinge joint?
A hinge joint is where two bones meet, allowing movement in one direction. It can flex (close) and extend.
What does it mean to contract?
To contract means to become smaller or shorter in length, as muscles do when they produce movement.
What is a muscle?
A muscle is tissue that can contract and produce movement.
What is an opposable thumb?
An opposable thumb is the finger that enables the ability to touch fingertips to the thumb and to grip and hold objects firmly.