Oxygen enters the blood in the A. Bronchi.
Answer:
<em>Cell Differentiation</em> is the process through which cells become specialized.
Think about the name, cells become different from one another, becoming specialized into different types.
The energy<span> from </span>sunlight is stored<span> in the chemical bonds of </span>molecules<span>. ..... </span>during<span> day, CO2 slowly used to make glucose while stomata are closed ... purpose is to produce ATP(</span>energy stored<span> in chemical </span>bonds of sugar<span>) and breakdown.</span>
Yes, while multicellular organisms remove waste through the urinary system, single celled organisms expel their metabolic waste with vacuoles