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Body Tissues - In the human body we have four main tissues, these being Epithelial, Muscle, Connective and Nervous. Tissues are groups of similar cells carrying out specific functions.

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Introduction

Eleanor Lees Unit 5 : Anatomy and Physiology Task 1 - P2 Body Tissues In the human body we have four main tissues, these being Epithelial, Muscle, Connective and Nervous. Tissues are groups of similar cells carrying out specific functions. Firstly, Epthelial tissues are the internal linings ad external surfaces and body cavaties, including tubes or channels (ducts) that carry secretions from glands. There are two types of epithelial tissue, simple and compound. Simple including, * Cubical/cuboidal - these are cube shaped with a spherical nuclei, they are often found in the kidney tubes, sweat ducts and glands like the thyroid gland and breast tissue. Columnar - these cells are much taller with a slighlty oval nuclei, often associated with microscopic filaments called cilia which is often found in the throat. ...read more.

Middle

* Striated - also known as voluntary, skeletal or striped muscle is attached to the bones of the skeleton although some facial muscles are attached to skin. Non-striated - also known as involuntary, smooth or plain muscle contains protein filaments. Cardiac - this muscle is only found in the four chambers (atria and ventricles) of the heart. It is capable of rhythmically contracting without receiving any nervous stimuli. Thirdly, Connective tissues are widely distributed throughout the body and lie beneath epithilial tissues which connect different parts of the internal structure. Connective tissues include blood, cartilage, bone, areolar tissue and adipose tissue. * Blood - consists of yellow plasma, plasma is mainly water that carries gases like oxygen and caron dioxide, nutrients like glucose and amino acids, salts, enzymes and hormones. ...read more.

Conclusion

Adipose (fatty tissue) - is a variation of areolar tissue in which the adipose or fat cells have multiplied to obscure other cells and fibres And Finally, nervous tissue, is only found in the nervous system and consitsts of the brain, spinal cord and nerves, receiving stimuli from both external and internal sources, the two types of nervouse tissue are neurones and neuroglia. * Neurones - highly specialised nerve cells which transmit nervous impulses which are only found in the braindand spinal cord Neuroglia - connective tissues intermingled with neurones in the brain and spinal cord that offers support and protection. Resources : Stretch, B and Whitehouse. M (editors)(2007) BTEC Level 3 Nationals in Health & Social Care Student Book 1 ...read more.

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4 star(s)

A brief piece of work that effectively describes the 4 main tissues in the human body. The writer appears to have excellent knowledge of anatomy and physiology. All I would say is read through the work carefully to make the ideas are conveyed clearly. There is one part where I was not sure about where compound tissue was discussed.
Make sure the formatting of the work is done in a uniform manner throughout and check for grammatical errors.
The writing style was good overall.
4/5

Marked by teacher Diane Apeah-Kubi 09/08/2013

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