Respiration and Digestion - Staying Healthy

Respiration and Digestion – Staying Healthy


  1.  Exercising regularly would most likely lead to increased energy production in cells.
  2. A diet high in lipids will most likely cause heart disease.
  3. Fat consumed in excess may lead to obesity.
  4. A well-balanced diet increases energy levels and improves the ability to exercise.
  5. Sugar supplies the energy needed by organisms to perform life functions.
  6. Protein contains nitrogen and is obtained by animals from the food they eat.
  7. Fruit can provide much energy for the body in a short amount of time.
  8. Protein is an important part of the diet because it is needed to repair tissue.
  9. Protein, water, and unsaturated fat are nutrients that help to support a healthy BMI (body mass index).
  10. Frequent exercise contributes to better digestion and respiration.
  11. Carbon dioxide is a product of respiration.
  12. Breaking down food into glucose initiates cellular respiration through the digestive process.
  13. Type 2 Diabetes is a health problem linked to obesity and lack of exercise in adults.
  14. A turkey sandwich is a good choice for a healthy lunch.
  15. Protein is a nutrient that promotes the growth of animals.
  16. Sunlight provides energy for human cells to survive.
  17. Single-celled and multicellular organisms all take in nutrients and break down the nutrients to release energy.
  18. Plants and other organisms can decompose organic nutrients.
  19. The systems of the body will be stressed if protein is increased to 50% on the “MY PLATE” USDA food plan.
  20. Respiration is the release of energy in cells by the combination of food and oxygen.
  21. Cilia are microscopic hair-like structures that help move mucus and other substances in the respiratory track.
  22. Esophagus is the tube leading to the stomach from the throat.
  23. The trachea is the tube that leads to the lungs from the throat.
  24. A flap that covers the trachea while food is swallowed is called the epiglottis.  This prevents food from going into the trachea and lungs.
  25. The larynx is the part of the throat that cons the voice box or vocal cords.
  26. Bronchi are the main branches of the respiratory tract leading into the lungs.
  27. Alveoli are tiny sacs at which gas exchange takes place in the lungs.
  28. The diaphragm is a muscle on the underside of the lungs. 
  29. A calorie is a measurement to show how much energy a food contains.
  30. Nutrients are the useable portions of food used for growth, repair, and replacement.
  31. Saliva is the liquid released in the mouth to moisten food and to begin the dissolving of food.
  32. An organ located near the stomach is the liver.  It makes bile which helps to break fat into smaller pieces called fat droplets.
  33. The pancreas makes pancreatic juice which contains many enzymes that act on the food in the small intestine; the pancreas also produces sodium bicarbonate to neutralize the acidity of the food coming from the stomach.
  34. Enzymes are substances which chemically act on food to break it down into simpler substances.
  35. Peristalsis are the muscular contractions that move food through the digestive system.
  36. The bolus is a food ball that forms in the mouth and is then swallowed.
  37. Chyme is the name given to food as it leaves the stomach and moves into the small intestine.
  38. BMI – body mass index is a measure us to determine relationship between height, weight, and body fat.
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