THORAX ABDOMEN AND PELVIS

MEDICAL

GALLBLADDER AND EXCRETORY SYSTEM OF THE LIVER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The main function of the ____ is to break down food into chemicals that provide energy and nutrients to the body.
A
stomach
B
digestive system
C
respiratory system
D
eyes
Explanation: 

Detailed explanation-1: -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. Unused materials are discarded as faeces (poo).

Detailed explanation-2: -During glycolysis, a glucose molecule with six carbon atoms is converted into two molecules of pyruvate, each of which contains three carbon atoms. For each molecule of glucose, two molecules of ATP are hydrolyzed to provide energy to drive the early steps, but four molecules of ATP are produced in the later steps.

Detailed explanation-3: -Digestion. Digestion is the process the body uses to break down food into nutrients. The body uses the nutrients for energy, growth, and cell repair.

There is 1 question to complete.