Question

2. Why do the people engaged in hard physical labour need more carbohydrates?
3. What is the use of fats in our body?
4. What does the blood of our body mainly consist of? please !​

Answer 1

Answer:

All three provide energy (measured in calories), but the amount of energy in 1 gram ... Carbohydrates, proteins, and fats are digested in the intestine, where they are ... The body uses these basic units to build substances it needs for growth, ... to helping people in need, we are committed to improving health and well-being ...

Explanation:

Answer 2

Explanation:

2) Humans need carbohydrates in the largest amounts. Currently, the USDA recommends that adults get 45-65% of their daily caloric intake from carbohydrates. Carbohydrates are incredibly important to the diet for many reasons.

3) fats are essential to give your body energy and to support cell growth. They also help protect your organs and help keep your body warm. Fats help your body absorb some nutrients and produce important hormones, too. Your body definitely needs fat.

4) Plasma is the main component of blood and consists mostly of water, with proteins, ions, nutrients, and wastes mixed in. Red blood cells are responsible for carrying oxygen and carbon dioxide. Platelets are responsible for blood clotting. White blood cells are part of the immune system and function in immune response.

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