13 Questions
What is the primary role of the digestive system?
Breakdown of food into smaller components
Which of the following is NOT a biological molecule found in food?
Vitamins
Where does digestion start in the human digestive system?
Mouth
Which organ secretes substances to aid digestion?
Pancreas
What happens to food after it is digested?
Delivered to the cells through the blood stream
Which organ activates the defecation reflex to release feces?
Rectum
What is the primary function of the digestive system?
Breaking down food into smaller components
Which of the following is NOT a task of the digestive system?
Transporting oxygen in the body
What are carbohydrates, proteins, and fats in relation to food?
Biological molecules providing energy
Which organs are considered accessory organs in the human digestive system?
Gallbladder
How do nutrients from digested food reach the body's cells for utilization?
Through the digestive tract lining to the blood stream
What initiates the defecation reflex in the digestive system?
Rectum
Why is digestion necessary before nutrients can be absorbed by the body?
To reduce food to simple substances for absorption
Test your knowledge about the digestive system and nutrition. Explore topics such as food ingestion, digestion, absorption of nutrients, and the importance of carbohydrates, proteins, and fats in providing energy for the body.
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