Unit 3 nutrition lucia ortega s

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Unit 3 nutrition lucia ortega s

  1. 1. NUTRITION By Lucia Ortega
  2. 2.  Nutrients give our cells all the energy they need. The digestive system, the respyratory system, the circulatory system and the excretory system carry out the function of nutrion.
  3. 3. DIGESTIVE SYSTEM It has two parts: Digestive tract: oesophagus, Pharynx and, large intestine and stomach Digestive gland: salivary glands, Liver, small intestine and pancreas
  4. 4. DIGESTIVE SYSTEM
  5. 5. THE RESPIRATORY SYSTEM Breathing makes two movements: First, we inhale air and it goes into to the lungs. Then, we exhale air sending it out of the lungs.
  6. 6. THE RESPIRATORY SYSTEM
  7. 7. THE EXCRETORY SYSTEM  Is made up of:  Sweet glands in the skin. They produce sweat.  The urynary system. This is made up of the kidneys and the urinary tract
  8. 8. THE EXCRETORY SYSTEM
  9. 9. THE URINARY SYSTEM 1. The kidneys are on both sides of the spinal column. They remove waste substances from the blood and they make urine. 2. The ureters take urine from the kidneys to the bladder. 3. The bladder stores the urine. 4. The urethra connects the bladder to the outside
  10. 10. THE URINARY SYSTEM
  11. 11. THE CIRCULATORY SYSTEM  Transports nutrients and oxygen to our cells.it is made up of the heart, blood and blood vessels. The heart: is a muscular organ that pumps blood around the body. The blood: collect oxygen and nutrients and transports then to our cells. The blood vessels are tubes through which blood circulates
  12. 12. THE CIRCULATORY SYSTEM
  13. 13. HUMAN CIRCULATION

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