The correct answer is option 1.
The role of xylem in the transport system of plants is to carry water and dissolved minerals from the roots, up the stem and leaves.
Xylem is one of th...Read More
During inhalation, our rib cage moves up and out. The primary organ of our respiration system is lungs. Other components of the respiratory system convey air to the lungs, such as the trachea...Read More
Gaseous exchange is dependent on diffusion. diffusion depends on diffusion gradient i.e. difference in gaseous concentration between two regions. for air to move in and out of the lungs, the gaseous...Read More
Cellular respiration is the process by which organisms get the right amount of energy needed to perform certain activities through the breaking down of different food materials. During this process,...Read More