14 What is blood pressure? Give the blood
pressure value for a healthy adult? Name the
instrument used for measuring the blood
pressure value.
15 Explain the mechanism of transportation of
water and minerals in plants.
Answers
Answer:
14. Speed in which blood flows in the veins is called blood pressure. 120/80 is the pressure value of healthy person. Blood pressure is checked by sphygmomanometer.
Explanation:
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Answer:
Blood pressure is the pressure of circulating blood on the walls of blood vessels.Most of the pressure is due to the work done by heart in pumping blood through the circulatory system.
More than 120 over 80 and less than 140 over 90.
A sphygmomanometer is used to measure blood pressure.
2:-)The xylem transport the water and phloem transport the mineral.This transport is taken place to the other part of the plant by creating the pressure in root cells which pump the water and mineral.The plant tsken in water by the soil through the roots.
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