Exploring the Digestive and Excretory Systems: the Role of Digestion

The video explains the digestion process and the importance of nutrients like carbohydrates, lipids, proteins, vitamins, minerals, and water. It highlights how these nutrients support energy, growth, and overall health, emphasizing the need for a balanced diet.

What is the primary source of energy for cells in the body?

• Carbohydrates

• Vitamins

• Proteins

• Minerals

Which type of fat is considered a major contributor to health problems like heart disease?

• Trans fats

• Unsaturated fats

• Omega-3 fatty acids

• Saturated fats

How many amino acids must be obtained from food because the body cannot produce them?

• 10

• 12

• 5

• 8

Which vitamin is abundant in citrus fruits and plays a key role in cellular activities?

• Vitamin C

• Vitamin D

• Vitamin B

• Vitamin A

What is the role of calcium in the body?

• Waste removal

• Oxygen transport

• Bone and teeth formation

• Energy production