THORAX ABDOMEN AND PELVIS

MEDICAL

GALLBLADDER AND EXCRETORY SYSTEM OF THE LIVER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The function of chemical digestion is to:
A
Breakdown nutrients to their component parts
B
Increase surface area of food
C
Decrease surface area of food
D
None of the above
Explanation: 

Detailed explanation-1: -The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.

Detailed explanation-2: -The digestive system breaks down food into nutrients such as carbohydrates, fats and proteins. They can then be absorbed into the bloodstream so the body can use them for energy, growth and repair.

Detailed explanation-3: -Large food molecules (for example, proteins, lipids, nucleic acids, and starches) must be broken down into subunits that are small enough to be absorbed by the lining of the alimentary canal. This is accomplished by enzymes through hydrolysis.

There is 1 question to complete.