If a body loss an excessive amount of water than it requires for normal functioning, the condition is called dehydration. Minimum daily requirement of water is about one litre which may vary with the age and activity of the individual. The individual who remains active almost all the time require 2 to 3 litre of … Read more
It is a special type of diffusion, which involves the movement of water through a semi-permeable membrane (differentially permeable membrane). The movement of molecules takes place from the region of higher concentration of water (dilute solution) to the region of lower concentration of water (stronger solution) until the equilibrium. It can also be defined as … Read more
• The term was coined by an American physiologist Walter Cannon in 1932 AD. • It is defined as the tendency of biological systems to maintain a state of equilibrium. • The body’s self-regulation of hormones and acid-base levels, the composition of body fluids and body temperatures are examples of it. • Thus, the processes … Read more
S.N Plant cell Animal cell 1. It is surrounded by a distinct cell wall made up of cellulose. It is surrounded by cell membrane or plasma membrane. Cell wall is absent. 2. Chlorophyll is present. Chlorophyll is absent. 3. Plastids are present. Plastids are absent. 4. Autotrophic in nutrition. Heterotrophic in nutrition. 5. Shows continuous … Read more