What is Biology? Biology (Bios = Life; Logos = Study, reasoning) “It is a branch of science which deals with the scientific study of life.” The biologists study about the followings; The living part of nature The non-living t…
Read morePlasma membrane or cell membrane is the outer most boundary of the cell. However, in most plant cells, it is covered by a cell wall. Cell membrane is chemically composed of lipids and proteins; 60 – 80% are proteins, while 20-40…
Read moreThis system is responsible for the transport & returning of materials from the tissues of the body to the blood. COMPONENTS: The system comprises lymph capillaries, lymph vessels, lymphoid masses, lymph nodes, and lymph-t…
Read moreImmunity: The capacity to recognize the intrusion of any material foreign to the body and to mobilize cells and cell products to help remove the particular sort of foreign material with greater speed and effectiveness is called…
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