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Why were arches used?
Arches are structures that can support structures such as buildings, railway tracks, canals, etc, yet still allow a passageway for ground-level access to pass through the arches. Railways and canals use viaducts (supported on arches) to cross valleys while keeping on the same level.
Nutrient molecules pass from the small intestine into the bloodstream through tiny structures called what?
Nutrient molecules pass from the small intestine into the through tiny structures called villi.
What is another way to pass through the Himalayas?
through canals but it is super dangerous andmany people have died to just go there or to mount Everest
Do canals go underground?
The purpose of a canal is to provide a waterway for ships to pass through. A canal that went under
How are perforating canals and central canals related?
Perforating canals connect osteons (structural units of compact bone) to each other and to the periosteum, allowing for blood vessels and nerves to pass through. Central canals run through the center of osteons and contain blood vessels and nerves that supply the bone tissue. Thus, both perforating canals and central canals play key roles in providing blood supply and innervation to bone tissue.
What special structures on some stems allow gases to pass through?
Lenticels allow gases to pass through them. Hope this helped. Gigi
What structures pass through the genital hiatus?
The genital hiatus is a hole is the pelvic diaphragm which contains just fascia and no muscle. The structures which pass through it are:urethra (both males and females)vagina (females only)
What are perforating canals?
Perforating canals are channels in the compact bone that contain blood vessels and nerves. They connect the nutrient and longitudinal canals, allowing for the transportation of nutrients and waste products throughout the bone. Perforating canals are also known as Volkmann's canals.
List in order the structures through which spem pass?
Sperm pass through the epididymis, vas deferens, ejaculatory duct, and urethra during ejaculation.
What three structures pass through the salivary gland?
The duct of the salivary gland, the facial nerve, and the lingual nerve pass through the salivary gland.
What are the structures that pass through diaphragm?
The three structures you are looking for are the Asophagus, the Descending Aorta and the Vena Cava. Do not fall for the trap placed be asking for three structures, which might lead you to include the trachea in place of the vena cava. The trachea bifrucates at the level of T4 where it enters the lungs, far above the thoracic diaphragm.
Why are gondoliers essential for venetians?
Venice has been flooded for a long time, so most of the city has canals instead of streets. As such they need the gondoliers, which have shallow drafts and can pass easily through the narrow canals, to get around.
