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Them Bones or….. The Human Skeleton
Main Parts of Human Skeleton
Functions of skeleton Support Movement Protection
Location of main bones
Can you remember? How many functions does the skeleton have? 3
Can you remember? What are those three functions? Support Protection Movement Hold us upright Ribs protect the lungs heart etc Anchor for the muscles
Getting about…. Movement
Bones and muscles of the arm biceps radius humerus ulna
How would YOU raise the arm? biceps radius humerus ulna
Muscles work in pairs (antagonistic pairs) bone pulled upward triceps relaxes
How would you lower the arm? biceps triceps ulna radius humerus
They are called an antagonistic pairs bone pulled downward biceps relaxes
Watch the muscles….
They only contract
They can not push
They only pull
That’s why they work in pairs
They are called an antagonistic pairs
A Synovial Joint Bone Ligaments hold the bone together Cartilage protects end of bone Synovial fluid stops wear Capsule Membrane
Connective Tissue Tendon Muscle to bone Ligament bone connected to bone Cartilage protects end of bone
A Joint is where the bones are allowed to move about each other, this is called a hinge
Bone Marrow Red blood cells are made in the marrow or inside of the bones
Them Bones or….. The Human Skeleton. Main Parts of Human Skeleton.
OB 24 & OB 25 The Human Skeleton. Learning Objectives OB24 identify the main parts of the human skeleton and understand that the functions are support,
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A newborn baby has 305 bones. As a human develops to the age of 25, some bones fuse together to obtain maximum strength. The average human skeleton.
Q1 Name two functions of the human skeleton. Q2 What part of the bone makes it flexible? Q3 What part mineral in bone makes it hard? Q4 Name the two types.
Provides a framework to support and protect tissues and organs Produces red blood cells, and some white blood cells Storage: calcium and phosphorus.
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