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THE HUMAN BODY AND NUTRITION.
OLIVIA IZQUIERDO ALCAIDE 6ª DE PRIMARIA
CURSO 2016/2017
Nutrients Oxygen Energy Waste substances
NUTRITION IN CELLS
CELL
THE DIGESTIVE RESPIRATORY CIRCULATORY EXCRETORY
HOW OUR FOUR SYSTEMS WORK TOGETHER
DIGESTION: The food travels along the
digestive tract. ABSORPTION: The nutrients pass to the
blood through capillaries which are found in the villi in the small intestine walls.
EXCRETION :Preparation and elimination of the part our food.
DIGESTION
Pulmonary ventilation is the
movement of air into and out of the lungs.
This process is performed by two movements:inspiration and expiration.
RESPIRATION
RESPIRATORY
SYSTEMPROCESS.
Air enters through the nostrils.
The air travels down:larynx, windpipe, bronchi, bronchioles and lungs.
Gas exchange takes place in the alveoli.
CIRCULATION
BLOOD.Consists of plasma and blood cells. Plasma this is a fluid float in
it also carries the nutrients and the waste products.
If you observe a drop under a microscope you can see different types of blood cells in it.
TYPES OF BLOOD
CELLSRED BLOOD CELLS
THEY TRANSPORT OXYGEN AND CARBON DIOXIDE.
THE PLATELETS
THEY HEAL WOUNDS AND STOP YOU BLEEDING.
WHITE BLOOD CELLS
THEY DEFEND YOUR BODY FROM MICROORGANISMS AND VIRUSES.
BLOOD VESSELS
THE HEART
BLOOD MOVES AROUND YOUR BODYTHIS IS THE PROCCESS THAN HEART.
EXCRETION
THE URINARY SYSTEM
KIDNEYS.
URETERS.
BLADDER.
URETHRA.
URINARY
SWEAT GLANDS
THE END