HUMAN BODY 1997Our body is made of bones and muscled. Bones and muscles together give shape and shape and support to our body. They help the body move , work and play ,our shin covers the bones and the muscles .HUMAN BODY 1997
HUMAN BODY 1997
HUMAN BODY 1997 BONES
is called the muscles skeletal system.
HUMAN BODY 1997 If you press your chest , you feel some think hard . This hand thing is bones . There are many type of bones in our body . some bones are big and some are small. There are 206 bones in our badly. Bones protect the soft inners part of our badly.
All the bones together form a frame work which is called the skeleton . The skeleton gives shape , support and strength to our bady.bones are made of connective tissue reinforced with
calcium and specialized bones cells. most bones also contain bone marrow, where blood cells are made,. bones work with muscles and joints to hold our badly Together and support freedom of movement . This
HUMAN BODY 1997 JOINTS
The place where two or more bones are joined together is called a joint . we can move or bend our body parts only because of the. HUMAN BODY 1997 MUSCLES
If you press your one arm whit the fingers of your other arm , feel something soft. This soft thing is muscle . There are more than 600 muscled in our badly . muscled and bones work together. The muscles are fixed to the bones . They help the bones to move.
HUMAN BODY 1997 DIGESTION
HUMAN BODY 1997Digestion is a process in which food and drink are broken down into simple and soluble substances, which become usable to our body . the food that we eat cannot be absorbed directly
muscles and bones together help a weight lifter to lift weights and a swimmer to swim.
by the blood . by digestion , food breaks down into simple soluble substances and is then absorbed by the blood .The process of digestion begins in the mouth . When we chew food , a digestive liquid called saliva mixes whit food to make it a fine paste. This saliva breaks down insoluble starch into soluble sugar. This the beginning of digestion. The food goes to the stomach through the food pipe .The stomach is a hollow bag of muscles. In the stomach , the food mixes with more digestive juices, which break down thee proteins in the food . from the stomach , then food goes into a pipe called the small intestine. Its walls produce more digestive juices . The liver and pancreas also pour their juices into
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HUMAN BODY 1997 DIGESTIVE SYSTEM
There juice complete the digestive of food .the wells of intestine. have a network of blood vessels that absorb the digested food. then carried to the different parts of the body .
HUMAN BODY 1997 GROWTH OF TEETH
A new -born baby does not have any teeth . When the baby is six to seven months old , teeth begin to appear . Normally, the front teeth appear first. The back teeth grow later.by the time a child is there years old , it has a set of twenty teeth .there teeth are usually 32 permanent teeth.
HUMAN BODY 1997 HEART
The heart is a fist- sized organ that pumps blood throughout your body. It your circulatory systems main organ . muscle and tissue make up this powerhouse organ .Muscle and tissue make up this you heart contains four muscular sections chambers that briefly hold blood before moving it. electical impulses make you heart beat, moving blood through these chambers. your brain and nervous system direct your heart function .
HUMAN BODY 1997 LEG
The leg is the entire lower limb of the human body , including the foot , thigh or sometimes even the hip nor buttock region . The major bones of the are the femur ( thigh bone, tibia shin bone and adjacent fibula.
HUMAN BODY 1997 EYE
Human have two eyes, situated on the left and the right of the face . The eyes sit in bony cavities called the orbits ,in the skull . There are six extraocular muscles that control eye movement. the front visible part of the eye is made up of whitish sclera, a closured iris, and the pupil.