Tag: Biology

Evolution

Next we’re starting with the new topic called as evolution. Evolution is a natural process, so we have to observe this process however, evolution is a long time process and after long time the changes can seen. To observe this process a long time is required, and humans cannot observe these changes in their life […]

Acquired and Inherited traits

Traits can be defined as particular characteristics of living organisms. Living organisms have qualitative characteristics as well as quantitative characteristics. The qualitative characteristics are such as color of skin, hair presence of particular pigment, or presence of any component in the body called as qualitative characteristics. The quantitative characteristics are height of individual, presence of […]

Blood Group

Blood can be defined as a fluid connective tissue that transport the oxygen and nutrients through out the body. Blood have many roles in body. Functions of blood : Blood regulates the body temperature. Transportation of nutrients and hormones throughout the body. Protection of body from invading pathogens. Regulate the pH and ions in the […]

Mendel’s Contribution

Mendel’s Contribution Genetics is the term which includes heredity and variations. Many scientist gave the meaningful terms in genetics but the major contribution in genetics played by the scientist Gregor Johann Mendel 20th July 1822 -6th January 1884. The scientist performed a pea plant experiment in 1856-1863. Mendel selected pea plant for his experiment. The […]

Traits

In the previous chapter, we have seen interesting concept about plants, animals and humans. Now, we are moving further with this chapter, Heredity and evolution. Traits The humans reproduce sexually. The sexual method or reproduction means involvement and fusion of gametes and 2 parents are present. Every living organism on earth have their own unique […]

Tissue

Tissue : The living things present on earth is made up of cell .Some organism is made up of one cell while some are made up of more than one cell .But did u all ever  think , if the making of organism will start from one cell then what will be the next happen […]

Kidney

Kidney : Each and every organ present in living organism has there specific activity to perform . Every organ has its definite shape and size .Human body is made up of lots of organ some organs have key role to maintain the regulation and filteration of body i.e heart , lungs and kidney. We studied […]

Excreation In Animals

Excreation In Animals : We eat food and drink water for getting energy from them .But that complete food ,water is not useful for our body so , What happen with that unused food and water ? We take an example ; Our mother make juice from fruits .Did u see ever what she did […]

Blood Vessels

Blood Vessels : Human is made up of various organs which perform the different functions in different system. That systems work differentially to carry out particular function . Did u all ever think that , this all systems needs energy to work out i.e excretory system , circulatory system , digestive system , respiratory system […]

Heartbeat

Heartbeat Heart is a systematic organ .It is made up of muscles .In the process of circulation of blood in heart , the heart muscles gets pump up as the blood enter in it and decrease up when blood go out of heart .In this way heart gets contract and relax back to back once […]