Saturday, April 6, 2019

Vanadium in foods and human body fluids and tissues. Science of the Total Environment Essay Example for Free

Vanadium in foods and homo personify fluids and interweaves. Science of the Total Environment EssayThe human body is made up of outright cells as essential components of various interweaves. The entire lot of these cells traces their origin from the ovum, typical cell and the testis cell. The egg cell or ovum is made up of protoplasm and contains nucleus. Immediately after the fertilization, the cell multiplies to hammer an embryo that differentiates to form the body wanders required to form body parts and essentially organs. Clark, (1999) defines a tissue as an aggregation compost of cells of a unique size and shape destined to perform a specialized task. The particular function of a body tissue is governed by biological functions and the neural agreement. The four-spot elementary tissues in the body are concurrence tissue, epithelial tissue, loathsome tissue and the muscular tissue.epithelial TissueThese tissues occur in the body as linings of the inside of organs, coverings of the outside of organs and glands. The linings and coverings of the epithelial tissue are all found on the free surface of the body. For instance, lining and dipping into the open cavities of the respiratory system and digestive track, outer skin layer, covering the walls of organs of closed central body cavity, and lining the nucleus and line of business vessels. The high specialization of the epithelial tissues enables the accomplishment of various functions such as absorption, excretion, protection, secretion, and filtration. The epithelial cells direct various traits that specializes their functions. Firstly, they are attached to one another for the formation of a protective barrier, and they have no stock vessels, however, can soak up nutrients from the kin vessels to the connective tissues that lie underneath (Byrne Kosta, 2001). Besides, the epithelial tissue can have lots of nerves and excellent regeneration. Classifications of the epithelial tissues depg oal on the cell collection and by shape. By cell arrangement, there are simple and stratified epitheliums that are made of unity layer cells and stacked up call layers respectively.Connective TissueThese tissues contain various types of cells including the macrophages, adipocytes, fibroblasts, and mast cells. Chittenden and Blake, (2005) explains that the matrix of connective tissue has two materials polysaccharides and proteins. They compost the reticular, fiber, elastic and collagen. The connective tissues are classified as dense, loose and cartilage connective tissues. Loose connective tissues are made of fibers and numerous cells in a gelatinous matrix found in the surrounding of the blood vessels, skin, organs and nerves. The dense connective tissues are formed by bundles of parallel fibroblasts, collagen fibers that are found in ligaments and tendon. Finally, the cartilage connective tissues have subtypes of elastic, hyaline and fibrous cartilage. The major functions of co nnective tissues are to store nutrient, wrap, protect and cushion organs, strengthens the skin and also form tendons and ligaments that attached to jam and muscle and each other.Muscle tissueThe muscles tissues are responsible for body run, mechanical digestion and moving of food, blood and waste through the organs of the body. Muscles tissues are made up of smooth tissues found in blood vessel walls, organ walls, involuntary and are spindle-shaped. The cardiac muscles fund in the heart that provides synchronization of the contractions during a heart beat (Byrne Kosta, 2001). Finally, the skeletal muscles that are voluntary striated and mainly attached to bones.Nervous TissueThe nervous tissue is composting of two types namely peripheral nervous system (PNS) and central nervous system (CNS). The nervous tissues have nerve cells made up of axon, cell body and dendrites. Neurons are further classified into motor neuron that carries impulses from CNS to glands and muscles, sensory n euron that receive information from the environment and transmit to the CNS, and interneuron that interpret sensory and end responses from motor neurons.Epithelial TissuesLine body organs and is vascularhas a nerve supply nearly attached to each otherHas no blood vesselsHas lots of nervesVery good at fixing itselfConnective TissuesHas blood and nerve supplyHas collagen fibers and stores nutrientsMajorly form ligaments and tendonsSpecialized to form cartilage, born adipose, and blood wallsBind, reinforce, support and protect other tissuesMuscle TissuesGenerate heat, stabilize posture and provides movementResponsible for movement of blood, waste and mechanical digestionCan be voluntary or involuntaryMade up of cardiac, connective and smooth musclesNervous TissuesConvert stimuli into nerve impulsesThe elements are brain, spinal cord and nervesConducts impulses to a from body organs through neuronsReferencesByrne, A. R., Kosta, L. (January 01, 2001). Vanadium in foods and human body fl uids and tissues. Science of the Total Environment, 10, 17-30.Chittenden, R. H., Blake, J. A. (January 01, 2005). The relative statistical distribution of antimony in the organs and tissues of the body, under varying conditions. Transactions, 7.Clark, W. E. L. G. (1999). The tissues of the body. Oxford Clarendon Press.Source document

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.