Bio- Organisation of organism, page no 35-37
What are tissues: Tissue is a group of cells or fluid that work together to perform a specific job in the body like cells in an organ like the kidney or heart or blood cells that carry oxygen to and waste materials from the cells in the body.
2. What are organs: a part of the body that is made up of cells and tissues that perform a specific function. Examples of organs include the heart, lungs, stomach, liver, kidney, skin, spleen, uterus, and ovary.
3. What are organ system: The 11 organ systems of the body are the integumentary, muscular, skeletal, nervous, circulatory, lymphatic, respiratory, endocrine, urinary/excretory, reproductive and digestive.
4. What are organisms: An organism generally refers to a single or individual living species, which exhibits all the properties of life. These can be a plant, animal, bird, insect and even a microbe. There are billions to trillions of different types of organisms living on our planet Earth.
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