The document discusses two body systems - the breathing system and the skeletal system. The breathing system explains that all living things breathe to take in oxygen and release carbon dioxide in a continuous process called breathing. If breathing stops for more than two minutes, the living being will die. The skeletal system makes up the framework of the body, protecting internal organs while also giving the body its shape and support. It has four main parts: the skull, rib cage, backbone, and limbs.
2. THE BREATHING SYSTEM
ALL LIVING THINGS TAKE OXYGENAND GIVE OUT
CARBON DIOXIDE. THIS PROCESS IS CALLED
BREATHING. THE PROCESS OF BREATHING
TAKESPLACE CONTINOUSLY WITHOUT ANY REST
IN ALL LIVING BEINGS. IF THIS PROCESS STOPS
FOR MORE THAN TWO MINUTES THE LIVING
BEING DIES. EXAMPLE NOSE, WIND PIPE, LUNGS.
3.
4. SKELETAL SYSTEM
SKELETAL SYSTEM MAKES THE FRAME WORK OF
THE BODY. THE SKELETON FRAME WORK ALSO
PROTECTS THE INNER DELICATE ORGANS. IT
ALSO GIVE SHAPE AND SUPPORT TO US. I AM
INTRODUCING THE FOUR PARTS OF OUR
SKELETON -SKULL, RIB CAGE, BACKBONE,LIMBS
