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Questions and Answers
Why does anemia cause a person to feel tired?
Why does anemia cause a person to feel tired?
- It causes muscle atrophy, leading to decreased strength and endurance.
- It reduces the ability of the blood to carry oxygen, impacting respiration and energy production. (correct)
- It disrupts hormonal balance, which affects sleep patterns and restfulness.
- It directly impairs nerve function, reducing overall physical activity.
Water is only needed in the body to help with chemical reactions inside cells.
Water is only needed in the body to help with chemical reactions inside cells.
False (B)
A meal of bell peppers stuffed with lentils, vegetables, and cheese is rich in iron and calcium. Besides these, what other major nutrients would likely be found in this meal, and why?
A meal of bell peppers stuffed with lentils, vegetables, and cheese is rich in iron and calcium. Besides these, what other major nutrients would likely be found in this meal, and why?
This meal likely contains carbohydrates (from lentils and vegetables for energy), protein (from lentils and cheese for building and repair), and vitamins (from vegetables for various bodily functions). It may also contain some fats, depending on the type of cheese used.
In cells, water allows different ________ to dissolve, facilitating essential life-sustaining reactions.
In cells, water allows different ________ to dissolve, facilitating essential life-sustaining reactions.
Match the following nutrients with their primary function in the body:
Match the following nutrients with their primary function in the body:
Which of the following vitamins is synthesized in the skin upon exposure to sunlight?
Which of the following vitamins is synthesized in the skin upon exposure to sunlight?
Insufficient intake of Vitamin C can result in a condition known as rickets.
Insufficient intake of Vitamin C can result in a condition known as rickets.
What is the primary function of iron in the body?
What is the primary function of iron in the body?
A deficiency in vitamin C can lead to the illness known as __________.
A deficiency in vitamin C can lead to the illness known as __________.
Match each vitamin with its primary function:
Match each vitamin with its primary function:
Which mineral is a key component of hemoglobin, the molecule responsible for oxygen transport in the blood?
Which mineral is a key component of hemoglobin, the molecule responsible for oxygen transport in the blood?
Which of the following food groups is the BEST source of calcium?
Which of the following food groups is the BEST source of calcium?
Vitamin D primarily comes from food sources.
Vitamin D primarily comes from food sources.
Which nutrient is primarily responsible for providing the body with a quick source of energy by breaking down into glucose?
Which nutrient is primarily responsible for providing the body with a quick source of energy by breaking down into glucose?
Fats are primarily used for short-term energy storage within muscle cells.
Fats are primarily used for short-term energy storage within muscle cells.
What is the primary role of protein in the body, besides providing energy?
What is the primary role of protein in the body, besides providing energy?
Long-term energy stores are primarily composed of ______ and are stored under the skin and around body organs.
Long-term energy stores are primarily composed of ______ and are stored under the skin and around body organs.
Which of the following is NOT a primary function of fats in the body?
Which of the following is NOT a primary function of fats in the body?
Why do animals like seals, living in cold environments, have significant fat stores?
Why do animals like seals, living in cold environments, have significant fat stores?
Match the nutrient with its primary function.
Match the nutrient with its primary function.
What might be the effect of a diet deficient in Vitamin A?
What might be the effect of a diet deficient in Vitamin A?
Flashcards
Anemia
Anemia
A condition caused by iron deficiency, leading to fatigue.
Good sources of iron
Good sources of iron
Meat, dark green vegetables, fish, and nuts are good sources.
Why the body needs water
Why the body needs water
Water allows chemical reactions in cells and efficient blood flow.
Water in cells and blood
Water in cells and blood
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Six essential nutrient types
Six essential nutrient types
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Vitamin A
Vitamin A
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Vitamin C
Vitamin C
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Vitamin D
Vitamin D
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Nutrient
Nutrient
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Mineral
Mineral
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Calcium
Calcium
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Iron
Iron
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Hemoglobin
Hemoglobin
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Starch
Starch
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Protein
Protein
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Fats and Oils
Fats and Oils
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Glucose
Glucose
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Energy Stores
Energy Stores
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Study Notes
- Protein, carbohydrates, fats, vitamins, minerals, and water are essential nutrients for a healthy diet
- The food you eat provides your body with nutrients necessary for energy, growth, and overall health
Carbohydrates
- Starches and sugars are types of carbohydrates
- After eating carbohydrates, the body breaks starch down into glucose, which cells use for respiration to release energy
- Carbohydrates are therefore needed to give you energy
Protein
- Protein is essential for making new cells
- It aids body growth and repair
- It is also needed to make haemoglobin and antibodies
- Chicken and beans are examples of foods that contain protein
Fats and Oils
- Fats and oils provide energy and are needed to make cell membranes
- Fats are solid at room temperature, and oils are liquid
- Avocados are a source of fats and oils
Energy Stores
- Excess carbohydrates and fats are stored in the body
- Carbohydrates are stored in the cells, especially in the liver and muscles, as a short-term energy source
- Fats are stored in special cells underneath the skin and around body organs for long-term energy and heat insulation
- Animals in cold environments have a layer of fat under their skin for heat insulation
Vitamins
- Vitamins are needed in small amounts for the body to function correctly
- You can become ill without them
- Each type is given a letter
Vitamin A
- Vitamin A is essential for good vision, especially in low light conditions
- It also supports white blood cell function
- Sources include green vegetables, carrots, squash, fruits, dairy products, and some fish
Vitamin C
- Vitamin C helps maintain skin strength, promotes healing, and keeps blood vessels and bones healthy
- Deficiency can lead to scurvy, causing weakness and bleeding gums
- Fresh fruits and vegetables, such as citrus fruits, potatoes, and berries, are good sources
Vitamin D
- Vitamin D is needed for strong bones and teeth by helping the body absorb calcium
- Oily fish is a source of vitamin D
- Vitamin D is made in the skin upon exposure to sunlight
- Lack of sunlight can lead to vitamin D deficiency and rickets in children
Minerals
- Minerals are essential nutrients
- Calcium and iron are two of the most important minerals
Calcium
- Calcium is an essential mineral for building and maintaining strong bones and teeth
- Dairy products, seeds, and nuts like almonds are good sources of calcium
Iron
- Iron is needed to make haemoglobin, which transports oxygen around the body
- Iron deficiency can lead to anaemia, causing fatigue
- Good sources of iron include meat, dark green vegetables, fish, shellfish, nuts, and seeds
Water
- Water is essential for many bodily functions
- Cells and blood contain a lot of water
- Almost 60% of a person's body weight is made up of water
- It helps chemicals dissolve and react and blood to flow easily
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Description
Explore essential nutrients: carbohydrates, proteins, and fats. Learn how each contributes to energy, growth, and overall health. Understand their roles in providing energy, building cells, and maintaining body functions.
