In what way do arteries differ in structure from capillaries and veins? A) Arteries have more elastin in tissue than veins and capillaries. B) Arteries appear flatter in a cross-section than veins and capillaries. C) Arteries have valves that are absenWhich ...
Question: Which of the following is not a function of the nose? (a) Act as a conduit for air (b) Gas exchange (c) Humidify air (d) Cleanse air. Nose: The nose is the primary organ for sensing the smell and also serves as ...
The oxygenated blood then flows back to the heart into the left atrium, where it is then pumped into the left ventricle, the cycle begins again. The heart itself also needs blood and has its own system of arteries and veins to sustain it. As blood leaves the left...