Answer:
The trachea serves as a passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles.
I would say Nucleic Acids
Answer:
Option A Fruit
Explanation:
After fertilisation, the female parts of the flower develop into a fruit: the ovary wall becomes the rest of the fruit.
Answer: Cell membrane
Explanation:
The cell membrane has the ability to transfer the molecules from the exterior of the cell to the interior of the cell.
The cell membrane is semi permeable which means only selected molecules will pass through the cell membrane.
The molecules and substances that are synthesized inside the cell needs to be transported from inside to outside via cell membrane.