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en.wikipedia.org/wiki/Tissue_(biology)

In biology, tissue is a cellular organizational level intermediate between cells and a complete organ. A tissue is an ensemble of similar cells from the same origin that together carry out a specific function. Organs are then formed by the functional grouping together of multiple ... The epithelial tissues are formed by cells that cover the organ surfaces such ...

en.wikipedia.org/wiki/Organ_(anatomy)

In biology, an organ or viscus is a collection of tissues joined in a structural unit to serve a ... A hollow organ is a visceral organ that forms a hollow tube or pouch, such as the ... Two or more organs working together in the execution of a specific body ... These specific systems are also widely studied in human anatomy.

www.exploringnature.org/graphics/anatomy/levels_organization_Activity.pdf

There are many kinds of cells in the human body, such as muscle cells, bone cells, skin ... groups of cells that work together to form tissues and organs that are  ...

www.bbc.co.uk/education/guides/z9hyvcw/revision/6

Study animal and plant cells with BBC Bitesize KS3 Science. ... Organs are made from tissues, and systems are made from several organs working together. ... An organ system is made from a group of different organs, which all work together ...

www.bbc.co.uk/bitesize/ks3/science/organisms_behaviour_health/cells_systems/revision/5

Cells, tissues, organs and systems. Tissues ... Organs. An organ is made from a group of different tissues, which all work together to do a particular job. Here are  ...

www.khanacademy.org/science/biology/principles-of-physiology/body-structure-and-homeostasis/a/tissues-organs-organ-systems

All the systems of the body work together to keep an organism up and ... As we saw above, every organ is made up of two or more tissues, groups of similar cells that work ... Specialized forms of connective tissue include adipose tissue—body  ...

www.coursehero.com/file/7201907/Module-2-Quiz

Oct 24, 2012 ... Text page(s): 44 MTO: Section I, Lesson 1.3 a. organs *b. tissues c. body systems d. organelles 2. A group of organs that work together to ...

sites.google.com/site/mrgsscienceclass/about-science-class-1/body-systems-tissues

All complex organisms are made of groups of cells called tissues. ... Organ systems are many organs, tissues and cells working together to complete a life ...

sepa.duq.edu/regmed/regmedbasics/CellsTissuesOrgans.html

Some life forms, like bacteria, are only one cell and others, like humans, are made of millions of cells. ... In more complex organisms, different groups of cells work together to do different functions particularly well like protecting the body from the ... In your immune system, you have special cells called B and T cells that travel ...

www.quia.com/jg/1374580list.html

In a living organism, many different parts often work together to, perform an important ... A group of organs that interact and function together is a(n), system ... in your body? smallest to largest: cells, tissue, organs, organ systems, and organism.