Compare the human circulatory system to a mixed series and parallel connection o

Question

Compare the human circulatory system to a mixed series and parallel connection of resistors.

1. What aspect of electrical circuits is most like the blood in the circulatory system?

2. Which circuilt element is analogous to the heart?

3. Which parts of the circuit are analogous to the large arteries and veins?

4. Which circuit elements are analogous to the capillary vessels?

5. Are most of the organs in the body connected in series or in parallel?

6. What is special about the connection between the liver and the intestines?

7 What the vein does?

8. What would you have to do to the circuit to mimic the effect of increasing blood pressure?

9. What would you have to do to the circuit to mimic the effect of a clogged artery?

(Arteries may be clogged by arteriosclerosis, or "hardening of the arteries ".)

Explanation / Answer

(1) blood can regarded like electric charge in the elctric circuit

(2) Heart is analogous to a battery and a diode in series . heart like a diode allows the flow of blood in one one directon. heart pumps blood to all the parts of body as the battery pumps charge or current to all circuit elements.

(3) the vessels(arteries and veins) would be expanded or contracted, so they can keep blood or release it, and this is exactly like what a capacitor does. By these statements each vessel can be modeled by some compartments, which includes one resistance, one capacitor, and one inductor.

(4) the capalliries connect the veins with arteries. so they are analogous to the connecting wires between veins and arteries

(5)

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