Biological processes of human body

Question 1

what is digestion?

Answer 1

the process by which complex organic compounds are converted into simple organic products to be absorbed into the human body

Question 2

what are the two forms takes place in food digestion?

Answer 2

Mechanical and chemical processes

Question 3

what are examples for mechanical digestion of food?

Answer 3

*large particles of food broken down into small pieces with the help of teeth
*food mixes with saliva and makes a bolus of food this reduces friction
*lipids in food are broken into small droplets by process called emulsification
*in the small intestine the secreted mucus lubricates food
* in the stomach food bolus is broken down into a Chyme due to peristaltic activities.

Question 4

what are funtions of digestive system?

Answer 4

food digestion
absorption of digested end products
removal of undigested materials

Question 5

name glands associated with digestive tract?