When an individual being in bed rest , the blood presure is normal but when he wakeup and stand in straight the pressure will decline. Why ? How it is called ?

How high does the mercury barometer stand on a day when atmospheric pressure is 98.6 kPa ?

Ramu was 15 vears old when he went to a doctor to check his blood pressure. His pressure was around 158/98mmHg. The doctor advised him to measure his blood pressure at home for two weeks. He came to the doctor saying his average blood pressure was around 160/100mmHg. Doctor concludes that Ramu has high blood pressure or hypertension. If not controlled, hypertension can lead to heart failure, stroke and kidney failure. He returned to the doctor after two months after taking the drug, ACH inhibitor. This chemical blocks the production of angiotensin II, a powerful vasoconstrictor, so his blood pressure returned back to normal. 1. Why are people with high blood pressure at greater risk for having a hemorrhagic stroke? 2. Without medication Ramu's blood pressure was around 160/100mmHg after two weeks. Why this pressure was referred to as hypertension by the doctor. 3. Blocking the action of vasoconstrictor lower the blood pressure? Give reasons. 4. What is the role of ACH inhibitor in reducing blood pressure? 5. What conditions one might expect if the blood pressure is not controlled?

When there is excessive loss of fluid from the body or when there is an increased blood pressure, how does the kidney regulate its functions?

Jagaseesh was rotating a stone tied to an elastic rubber band. As time passes he kept on increasing its speed of rotation. As the speed increased, the length (i.e. radius) of the band was also increasing. His father Mr. Sridhar watched this and called Jagadeesh. When Jagadeesh came near by his father rotating the stone tied to the elastic band, he asked how this happened? (i) State Keper's III law and give an expression.

Jagaseesh was rotating a stone tied to an elastic rubber band. As time passes he kept on increasing its speed of rotation. As the speed increased, the length (i.e. radius) of the band was also increasing. His father Mr. Sridhar watched this and called Jagadeesh. When Jagadeesh came near by his father rotating the stone tied to the elastic band, he asked how this happened? (ii) What are Apogee and Perigee?

When an observer is standing on earth, the trees and houses appear stationary to him . However , when he is sitting in a moving train, all these objects appear to move in backward direction. Why ?

(i) Noble Laureate (ii) Person who worked on fungus. (iii) Discoverer of queen of drugs. Using the given clues answer the questions. (a) Who is in the picture? (b) Name the fungus in which he did his experiment. (c) Why he was awarded Noble prize? (d) Which is called queen of drugs? (e) What will be the action of the drug on bacterial cell? (f) When was the queen of drugs discovered?