SCI 1 Q

They are the building blocks of matter

It is defined as the biological system that shows individual lifeforms.

It is the organ system responsible for breaking down food molecules

It is the smallest subdivision in the Respiratory System

Two oxygen atoms are bonded through _______

It is the food molecule from the food we eat 

It is the cavity located between the oral and nasal cavity

It is the end part of the Upper Respiratory Tract. It contains the vocal cords that vibrate to produce sounds.

It is the lining that covers the wall of the trachea. 

It protects and ensures the stable position of the human lungs.