NUTRITION I DIGESTIVE SYSTEM
& RESPIRATORY SYSTEM
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VITAL FUNCTIONS HUMAN BEINGS – LIVING THINGS
Human beings are living things. As all living things, human beings perform the 3 VITAL FUNCTIONS.
NUTRITION INTERACTION REPRODUCTION
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NUTRITION FOUR SYSTEMS
For nutrition to occur, all these systems must function correctly.
Digestive system Respiratory system Excretory system Circulatory system
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NUTRITION FOUR PROCESSES
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NUTRIENTS COMPLETE AND BALANCED DIET
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NUTRIENTS COMPLETE AND BALANCED DIET
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THE DIGESTIVE SYSTEM ORGANS & PROCESS
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THE DIGESTIVE SYSTEM ORGANS & PROCESS
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THE DIGESTIVE SYSTEM ORGANS & PROCESS
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THE DIGESTIVE SYSTEM ORGANS & PROCESS
Photograph of an ovule taken under a microscope
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THE DIGESTIVE SYSTEM SWALLOWING:THE EPIGLOTIS
Photograph of an ovule taken under a microscope
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THE DIGESTIVE SYSTEM SWALLOWING: PERISTALTIC MOVEMENTS
Photograph of an ovule taken under a microscope
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THE DIGESTIVE SYSTEM THE SMALL INTESTINE: ABSORPTION
Nutrients pass through the walls of the villi. Then, nutrients pass into the capillaries to the blood stream.
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THE RESPIRATORY SYSTEM INHALATION & EXHALATION
Photograph of an ovule taken under a microscope
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THE RESPIRATORY SYSTEM ORGANS & PROCESS
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THE RESPIRATORY SYSTEM ORGANS & PROCESS
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THE RESPIRATORY SYSTEM ALVEOLI: GAS EXCHANGE
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THE RESPIRATORY SYSTEM WE NEED OXYGEN: CELLULAR RESPIRATION
Photograph of an ovule taken under a microscope
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THE RESPIRATORY SYSTEM WE NEED OXYGEN: CELLULAR RESPIRATION
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THE RESPIRATORY SYSTEM THE VOCAL CORDS
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