Notes and Study material for Exams
Respiratory System Introduction Red blood cells are like trucks that transport cargo on a highway system. Their cargo is Oxygen, and the highways are blood vessels. Where do red blood cells pick up their cargo of oxygen? The answer is the lungs. The lungs are organs of the respiratory system. The respiratory system is the … Read more
This topic has many practical application in day to day life. In engineering stage it is used in surveying. The basic purpose is to find the unknown variables by observing the angle of the line of sight. This is done by using some the fact that in a right angled triangle the ratio of … Read more
The following are some of the factors that influence temperature: Latitude: The Earth’s surface is not evenly heated by the sun. The sun’s rays are more direct at the equator than at the poles. This is because the Earth is a sphere, and the sun’s rays are spread out over a larger area at the … Read more