The tubes are used as resonators.
A xylophone, if it's large enough
While they are both percussion instruments, the piano has keys that you hit with your fingers attached to hammers which hit strings inside the piano, and the xylophone has different pitched metal or wooden strips that you strike with a mallet. They produce very different sounds and a piano has many more keys than most xylophones.
The Marimba a sort of resonating Xylophone. the Vibraharp is simlar but uses metalllic plates.(which are struck by hand-held mallets) Thye Four-mallet style is the most common, they have a neat jazz sound . Rarely used in C&W, but definitely acoustic. They harmonize well with Steel Guitars and like the"steels, loend themselves well to tonal special effects of an ethereal, detached , or even science-fictional backdrop.l
The xylophone is a percussion instrument consisting of a row of bars of graduating lengths suspended over metal tubes, called resonators, and set in a wooden or steel frame. As on a piano, the playing structure of the xylophone is called a "keyboard." The musician plays the instrument by striking the "keys" (bars) with phenolic (resin), plastic or rubber mallets.If your 'xylophone' has 'steel' bars, it might, instead, be a mellophone.The word "xylophone" comes from the Greek "xylon" (wood) and "phone" (voice); the literal translation is "wooden sound." For this reason, classic western xylophones have rosewood keyboards (some modern western xylophones and student-quality instruments have synthetic or fiberglass-coated plastic keys) of 2.5 - 4.0 octaves, which means the number of "bars" on the keyboard varies. An octave consists of 8 notes (keys), so a 2.5 octave keyboard will have 20 keys, while a 4.0 octave keyboard will have 32. Concert xylophones are typically 3.5 to 4.0 octaves.The Glockenspiel (sometimes called bells), looks a lot like a xylophone, but uses steel bars instead of wood, and produces a brighter sound. A glockenspiel has 30 keys, set in two rows.
The tubes are used as resonators.
Fallopian tubes are located on either side of the uterus.
A xylophone, if it's large enough
The fallopian tubes are located on each side of the uterus and serve as pathways for eggs to travel from the ovaries to the uterus. They are essential for fertilization to occur as sperm typically meet the egg in the fallopian tubes.
They hold lenses in place, and prevent stray light from entering the field of view.
A xylophone is a percussion instrument made of wooden bars of varying lengths that are struck by mallets to produce different pitches. The longer the bar, the lower the pitch it produces when struck. The sound resonates through tubes or a frame underneath the bars, creating the distinctive xylophone sound.
The round cylindrical tubes are called resonaters, they amplify the noise, next are the keys, they are the wood bars you strike. Last, the frame is what elevates it off the floor. That is a very basic description of a xylophone.
The auditory tubes mark the opening of the nasopharynx in the fetal pig. The purpose of these tubes is the beginning of development for the ears.
I presume you mean Bronchi which are tubes going to the lungs and serve as tubes to carry air in and out of the lungs on breathing
The purpose of a tube notcher is to make notches in tubes and pipes. These notches make it easier to match up the holes in tubes and pipes when assembling them.
The bronchial tubes serve as a passageway for air between the external environment (through the nose or mouth) and the lungs.
carry's the egg in to the stomach to grow