Discuss the major cell and tissue types found in thetypical animal
body.

Explanation:

The animal body consists of different types of cells. The cells have arisen from unspecialized cells such as stem cells. The stem cells are the totipotent cells that have the capacity of producing different types of cells. The cells are grouped to perform a particular function and called tissues.

The tissues are an aggregation of cells having a similar structure and function. There are mainly 4 types of tissues epithelial tissue, connective tissue, muscular tissue, nervous tissue.  

The epithelial tissues are also 2 types are single epithelial, compound epithelium. The simple epithelial tissues are single-layered cells, and compound epithelial tissue is multilayered cells.

The simple epithelial cells are squamous epithelium, cuboidal epithelium, columnar epithelium, pseudostratified epithelium.  

Connective tissues: These are binding tissues, connect different tissues with the body parts. These tissues consist of cellular parts and ground substances. The connective tissues are 3 types - connective tissue proper, skeletal tissues (bone and cartilage), vascular (blood and lymph).

Muscular tissue :  

These are the specialized tissues meant for contraction and relaxation. Muscular tissue contains 2 contractile tissues - actin and myosin. Muscular tissue is types - striated muscle, smooth muscle, and cardiac muscle.

Nervous tissue: These are highly excitable cells, carry impulse. These include the neurons. Nervous tissues arise from the ectoderm.

a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]

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