Stopwatch for Pulse Measurement
Pulse When the heartbeats, blood flows through the blood vessels in a certain rhythm, causing the blood vessels to vibrate. This vibration is called the pulse. So, by measuring your pulse rate, you can find out … more
Biology Simulation
Asexual Reproduction and Sexual Reproduction
Asexual reproduction Some living things do not make reproductive cells. They make new offspring through cell division. This method of reproduction without male and female reproductive cells is called asexual reproduction. Sexual reproduction Many of the … more
Genetic Diversity
Genetic diversity Suppose a child inherits chromosomes from parents and constructs a new pair of chromosome pairs. A child can receive an ‘A’ or ‘a’ from his mother and a ‘B’ or ‘b’ from his father. … more
Microscope
Microscope The microscope consists of an objective lens and an eyepiece. The objective lens has a short focal length. The light reflected or transmitted by the object is gathered between the objective lens and the eyepiece. … more