Wavelength. 1  Frequency tells us how many waves are passing a point per second, the inverse of time. 2  Wavelength tells us the length of those waves in metres, almost like a displacement. 3  If we multiply these two together, we are really multiplying 1/s and mâ¦ which gives us m/s, the velocity of the wave!
Best Answer: Connective tissue function:- The cartilage rings support the trachea and prevent it from collapsing when air is taken in. Epithelial Tissue function:- The ciliated epithelium cleans out the particulate material in the air before it enters the lungs.
The trachea serves as passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles. The trachea is lined with a moist mucous-membrane layer composed of cells containing small hairlike projections called cilia. The cilia project into the channel (lumen) of the trachea to trap particles. There are also cells and ducts in the mucous membrane that secrete mucus droplets and water molecules.