More Science Lessons (KS3)
A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Parts of a Plant
There are five main organs in the body of a flowering plant. They are the root, stem, leaf, flower and bud.
Organ systems of a human
Cells, tissues, organs and organ systems
Multicellular organisms are organised into increasingly complex parts. In order, from least complex to most complex:
cells, tissues, organs, organ systems, organism
Animal cells and plant cells can form tissues, such as muscle tissue in animals. A living tissue is made from a group of cells with a similar structure and function, which all work together to do a particular job. Here are some examples of tissues: muscle, the lining of the intestine, the lining of the lungs
An organ is made from a group of different tissues, which all work together to do a particular job. Here are some examples of organs: heart, lung, stomach, brain, leaf, root
An organ system is made from a group of different organs, which all work together to do a particular job. Here are some examples of organ systems: circulatory system, respiratory system, digestive system, nervous system, reproductive system
Cells, Tissue and Organs
Some examples of organ systems.
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