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Questions and Answers
State the word and ______ symbol equation for aerobic respiration
balanced
Outline that the source of oxygen comes from the ______
respiratory system
Describe how components of the blood (Hemoglobin in red blood cells) are responsible for transporting oxygen from the lungs to the ______
cells
Explain that the waste products of aerobic respiration must be excreted with the example of ______
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Distinguish between aerobic and ______ respiration
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State the word equation for ______ respiration
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State what is meant by balanced diet for humans. List the principal sources of, and describe the dietary importance of ______.
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Describe the effects of malnutrition in relation to ______ and obesity.
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Explain the causes and effects of vitamin D and ______ deficiencies.
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Define digestion as the breakdown of large molecules into smaller molecules (Carbohydrates to simple sugars, Fats to fatty acids and glycerol and Proteins into ______).
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State where amylase, protease and lipase are secreted in the digestive system. Amylase is secreted in the ______.
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Describe the action of amylase, protease, and lipase in the digestive system. Lipase acts on ______ and breaks them down into fatty acids and glycerol.
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Study Notes
Aerobic Respiration
- Word equation for aerobic respiration: Glucose + Oxygen → Carbon Dioxide + Water + Energy
- Oxygen is sourced from the atmosphere.
Blood Oxygen Transport
- Hemoglobin in red blood cells binds to oxygen in the lungs.
- Oxygen is transported from the lungs to the body tissues where it is needed for cellular processes.
Waste Products of Aerobic Respiration
- Waste products, such as carbon dioxide, must be excreted to prevent toxicity in the body.
Aerobic vs. Anaerobic Respiration
- Aerobic respiration requires oxygen while anaerobic respiration occurs without it.
Anaerobic Respiration
- Word equation for anaerobic respiration varies based on organism, commonly: Glucose → Lactic Acid + Energy.
Balanced Diet
- A balanced diet for humans includes a variety of nutrients needed for health, including carbohydrates, proteins, fats, vitamins, and minerals.
- Principal sources of carbohydrates include grains, fruits, and vegetables; they provide energy.
- Dietary importance of proteins includes tissue repair and growth; found in meat, dairy, and legumes.
- Malnutrition can lead to undernutrition or obesity, affecting overall health.
Nutritional Deficiencies
- Vitamin D deficiency leads to weakened bones and potential developmental issues.
- Effects of vitamin B deficiencies can include anemia and fatigue.
Digestion Process
- Digestion is the breakdown of large molecules into smaller units: carbohydrates into simple sugars, fats into fatty acids and glycerol, proteins into amino acids.
Enzyme Secretion in Digestion
- Amylase is secreted in the saliva and pancreas.
- Protease is secreted in the stomach and pancreas.
- Lipase is secreted in the pancreas.
Enzyme Action
- Amylase breaks down starches into simple sugars.
- Protease breaks down proteins into amino acids.
- Lipase acts on fats, breaking them down into fatty acids and glycerol.
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Description
Test your knowledge on balanced diet, sources and importance of carbohydrates, fats, proteins, vitamins (C and D), mineral salts (Calcium and Iron), fiber, water, malnutrition effects, causes and effects of vitamin D and Iron deficiencies, and digestion process.
