Hi friends,
So, in this video I will show you how to draw human skeletal system by pencil,
In this step by step video you will learn a very easy way to draw this helpful science diagram to understand the human machine.
Here is some basic information about the skeletal system :
What are the parts of the skeletal system?
There are 206 bones in an adult human skeleton. Each bone has three main layers:
Periosteum: The periosteum is a tough membrane that covers and protects the outside of the bone.
Compact bone: Below the periosteum, compact bone is white, hard, and smooth.
Spongy bone: The core, inner layer of the bone is softer than compact bone.
Cartilage: This smooth and flexible substance covers the tips of your bones where they meet.
Joints: A joint is where two or more bones in the body come together. There are three different joint types. The types of joints are:
Immovable joints: Immovable joints don’t let the bones move at all.
Partly movable joints: These joints allow limited movement.
Movable joints: Movable joints allow a wide range of motion.
Ligaments: Bands of strong connective tissue called ligaments hold bones together.
Tendons: Tendons are bands of tissue that connect the ends of a muscle to your bone.
What does the skeletal system do?
The skeletal system has many functions. Besides giving us our human shape and features, it:
Allows movement: Your skeleton supports your body weight to help you stand and move. Joints, connective tissue and muscles work together to make your body parts mobile.
Produces blood cells: Bones contain bone marrow. Red and white blood cells are produced in the bone marrow.
Protects and supports organs: Your skull shields your brain, your ribs protect your heart and lungs, and your backbone protects your spine.
Stores minerals: Bones hold your body’s supply of minerals like calcium and vitamin D.
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