Ngumisi si Yves sa mga babae kaya nagsialisan ang mga ito.

YASMIN's POV

"Good Morning class. Let's have a review." Mr. Ren said. Tumahimik ang klase at may kumatok sa pinto.

Iniluwa nito si Ajax.

"Sorry Prof I'm late." Pagpapa umanhin ni Ajax.

"And why are you late?" Tanong ni Prof.

"The Dean called me." He said and sinenyasan siya ni Prof na umupo na.

"Okay. Who can give me the definition of Osmosis?" He asked. Base sa tanong ni Prof. May pagkastrikto at terror siya.

Walang nagrace ng hand Kaya napatingin sa akin si Prof.

"Ms. Brooklyn. Give me the definition of Osmosis." He said kaya tumayo ako.

"Osmosis is the result of diffusion across a semipermeable membrane. Osmosis is also the spontaneous net movement of water across a semipermeable membrane from a region of low solute concentration to a more concentrated solution, up a concentration gradient. This equalizes concentrations on both sides of the membrane." Sagot ko at napangiti siya.

Hindi pa siya nagsabing umupo ako kaya hindi muna ako umupo.

"And the process of Osmosis is?" Pangalawang tanong niya. Sumandal siya sa mesa habang nakataas pa ang hawak na white board marker.

"If two solutions of different concentration are separated by a semipermeable membrane, then the solvent will tend to diffuse across the membrane from the less concentrated to the more concentrated solution. This process is called osmosis." Mas lumawak ang ngiti niya at sinenyasan akong umupo.

Umupo na ako.

"Mr. Ramirez." Sinenyasan niya si Ajax na tumayo.

"What is Semipermeable membrane?" Prof asked and napa lunok si Ajax.

"Semipermeable membranes are very thin layers of material that allow small molecules, like oxygen, water, carbon dioxide, ammonia, glucose, amino-acids, etc., to pass through. However, they do not allow larger molecules, like sucrose, protein, etc., to pass through."

"Sit down." Sabi nito na iginala pa ang mata na tila naghahanap ng makakain.

"Oh! Mr. Emmanuelle!" Sabi nito at tumayo na agad si Yves.

"What is Diffusion?" Prof asked.

"Diffusion is a spontaneous movement of particles from an area of high concentration to an area of low concentration."

"Give me an example."

"Example is, Tea flavoring moving from an area of high to low concentration in hot water." Napangiti nanaman si Sir.

"What is the difference between Diffusion and Osmosis?" Tanong nanaman nito.

"Diffusion mainly occurs in gaseous state or within gas molecules and liquid molecules while Osmosis occurs when the medium surrounding the cell has a higher water concentration than the cell. The cell gains water along with important molecules and particles for growth. It also occurs when water and particles move from one cell to another."

"Very good! This class is interesting. Well, let's see kung makakasagot ang iba." Sabi niya at tumingin kay Michael.

Yung iba naming kaklase ay nagtatago nalang para hindi makita.

"Uhmm? Mr. Mercado! Stand up!" Sabi ni Sir and Michael sighed.

"Importance of Diffusion and Osmosis?" Naglakad siya papalapit kay Michael.

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