The study of biology encompasses all aspects of life, whether it’s you and the other people around you in your life, the animals we all know and love from the animal kingdom, the plants that make the world a little greener or the tiny little creatures known as microorganisms we can only see through the use of a microscope. Let’s take a closer look at humans first, shall we? What can you tell us?
Esophagus-digests carborhydrates
Stomach-digests fats
Small intestine-absorbs water
Liver-produces bile
110 Calories
165 Calories
220 Calories
1,100 Calories
Salvia is breaking down starch into sugar
Proteins are being digested into short chains of amino acids
Fats are being digested
Digested food is being absorbed into the blood
1 p.m.
7 p.m.
9 p.m.
Noon the next day
Stomach
Liver
Small intestine
Large intestine
Mechanical digestion causes a physical change as the pieces of food are broken down into smaller pieces.
In chemical digestion, foods are broken down chemically into their smaller building blocks with the help of enzymes.
The processes are similar in that