Florida Basic Recruit Training Program High Liability (First Aid) Practice Exam

How many main functions does the digestive system have?

1. One

2. Two

3. Three

4. Four

The correct answer is: Two

The digestive system primarily has two main functions: the breakdown of food and the absorption of nutrients. The first function involves the mechanical and chemical processes that break down food into smaller, usable components. This includes actions like chewing and the enzymatic breakdown of food substances in the stomach and intestines. The second function pertains to the absorption, where the small intestine plays a crucial role in transferring nutrients from digested food into the bloodstream. These nutrients are then delivered to cells throughout the body for energy, growth, and repair. While some may consider specific processes within digestion, the foundational functions are concentrated on these two essential aspects: digestion itself and nutrient absorption. Understanding this distinction is critical for anyone studying human physiology and anatomy, especially in a first aid or medical context.