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What can your circulatory system best compared to?
A good and simple analogy for the circulatory system is a system of roads and towns. The main blood vessels are the motorways; the capillaries can be compared to rural country lanes. The blood cells can be compared to vehicles: red blood cells to trucks and lorries (carrying oxygen and carbon dioxide), white blood cells are best compared to police cars (protecting us from harm!). Towns, cities, villages and buildings which are passed by the vehicles represent the body cells and organs that our red blood cells unload their oxygen or CO2. This isn't a foolproof analogy, but it is a decent attempt at relating in layman's terms the function of the circulatory system.
What is the difference between the treble clef and the vocal tenor clef?
Bass clef is also called F clef , because the clef sign starts on 4th line called F note, this note should be played 5notes below the middle C. Treble clef is called G clef, because the clef sign starts on 2nd line called G note. This note should be played 5 notes above the middle C. Simple answer: The bass clef is below the treble clef so the sound is lower.
