Joints in the Human Body – Types, Functions and Examples | Biology Form Three скачать в хорошем качестве

Joints in the Human Body – Types, Functions and Examples | Biology Form Three

Joints are the places where two or more bones meet. They allow the body to move, bend, and provide support and flexibility during movement. Main functions of joints 1. Allow movement of the body 2. Hold bones together 3. Provide support and stability 4. Protect delicate organs (e.g., brain) Types of Joints, Their Functions and Locations 1) (Immovable joints) Function: Provide strong protection and stability. Location: Skull sutures (between skull bones) Teeth in jaw sockets. 2. movable joints Function: Provide flexibility and absorb shock. Location: Between vertebrae (intervertebral discs in the spine) Pubic symphysis (front of the pelvis) Types of moveable joints 1.Hinge joint Bending and straightening (flexion/extension) Elbow, knee 2.Ball and socket Movement in all directions, rotation Shoulder, hip 3. Pivot joint Rotation only Neck (atlas & axis) 4.Gliding joint Sliding movement Wrist, ankle