Nutrition & Digestive System Flashcards
What is a balanced diet?
A balanced diet includes appropriate proportions of carbohydrates, proteins, lipids, vitamins, minerals, water, and dietary fiber.
What are the sources and functions of carbohydrates?
Sources: bread, pasta; Function: provide energy.
What are the sources and functions of proteins?
Sources: meat, beans; Function: growth and repair.
What are the sources and functions of lipids?
Sources: oils, butter; Function: energy storage, insulation.
What are the sources and functions of vitamin A?
Sources: carrots, liver; Function: vision, skin health.
What are the sources and functions of vitamin C?
Sources: citrus fruits, tomatoes; Function: immune function, skin health.
What are the sources and functions of vitamin D?
Sources: sunlight, fortified milk; Function: bone health.
What are the sources and functions of calcium?
Sources: dairy products, leafy greens; Function: bone and teeth health.
What are the sources and functions of iron?
Sources: red meat, spinach; Function: formation of hemoglobin in red blood cells.
What are the sources and functions of water in the diet?
Sources: drinking water, fruits; Function: hydration, metabolic processes.
What are the sources and functions of dietary fiber?
Sources: whole grains, vegetables; Function: aids digestion and prevents constipation.
How do energy requirements vary with activity levels?
Higher activity levels increase energy requirements.
How do energy requirements vary with age?
Energy requirements decrease with age.
How do energy requirements vary with pregnancy?
Energy requirements increase during pregnancy.
Describe the structure of the human alimentary canal.
The alimentary canal includes the mouth, oesophagus, stomach, small intestine, large intestine, rectum, and anus.
