O W
OU
Cells from lining of bladder
Cells from lining of trachea
These groups of cells represent different
(1) tissues in which similar cells function together
(2) organs that help to carry out a specific life
activity
(3) systems that are responsible for a specific life
activity
(4) organelles that carry out different functions
2. When organisms break the bonds of organic compound

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey

the answer would be..

b. sucking