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16 Questions

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Human Nutrition and Digestive System

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Questions and Answers

Which nutrient is essential for growth and tissue repair?

Fats

Carbohydrates

Proteins (correct)

Vitamins

Which vitamin is important for calcium absorption for strong bones?

Vitamin B

Vitamin D (correct)

Vitamin A

Vitamin C

Where is fiber commonly found?

Fruits and vegetables (correct)

Grains

Dairy products

Meat

What is the primary function of the salivary glands in digestion?

Initiating the breakdown of carbohydrates Signup and view all the answers

What is the role of bile in digestion?

Emulsifying fats Signup and view all the answers

Where does nutrient absorption primarily occur in the digestive system?

Small intestine Signup and view all the answers

What is the main function of the gall bladder in digestion?

Storing bile Signup and view all the answers

What is physical digestion?

Breaking down food without chemical change by mechanical means Signup and view all the answers

Explain the role of vitamin C in human nutrition.

Vitamin C is crucial for healthy skin and gums. Signup and view all the answers

What are the functions of the salivary glands in the digestive system?

Salivary glands aid in ingestion and digestion. Signup and view all the answers

Describe the importance of fiber in the human diet.

Fiber helps with digestion and is found in vegetables, fruits, and whole grains. Signup and view all the answers

What is the significance of mineral ions like calcium and iron in nutrition?

Mineral ions like calcium and iron are necessary for nutrition. Signup and view all the answers

Explain the process of physical digestion in the digestive system.

Physical digestion involves breaking down food without chemical change. Signup and view all the answers

Detail the functions of the gall bladder in digestion.

The gall bladder aids in emulsification of fats to increase surface area for chemical digestion. Signup and view all the answers

Discuss the importance of water in cellular reactions and human health.

Water is essential for cellular reactions and can be obtained from both drinks and food. Signup and view all the answers

What are the key functions of proteins in the human body?

Proteins are essential for growth and tissue repair. Signup and view all the answers

Study Notes

Humans need different nutrients from a balanced diet for survival, including carbohydrates, fats, proteins, vitamins, mineral ions, fiber, and water.
Carbohydrates provide energy for cell respiration, fats are for long-term energy storage and insulation, proteins are essential for growth and tissue repair.
Vitamin C is crucial for healthy skin and gums, while vitamin D aids in calcium absorption for strong bones; mineral ions like calcium and iron are also necessary for nutrition.
Fiber helps with digestion and is found in vegetables, fruits, and whole grains, while water is essential for cellular reactions and can be obtained from both drinks and food.
The digestive system breaks down food into smaller molecules for nutrient absorption, involving organs like the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus.
Associated organs of the digestive system include the salivary glands, pancreas, liver, and gall bladder, with functions like ingestion, digestion, absorption, assimilation, and ejection of nutrients.
Physical digestion involves breaking down food without chemical change by the teeth, stomach walls squeezing food to liquefy it, and bile aiding in emulsification of fats to increase surface area for chemical digestion.

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Description

Test your knowledge on human nutrition and the digestive system! Learn about the essential nutrients needed for survival, the functions of different food components, and the organs involved in the digestion process.