• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Describe the distribution of water in the body and the function of constituents of body fluids. Explain the contributions of water and solutes to the maintenance of a constant internal environment of cells.

Extracts from this document...


P3, m3 describe the distribution of water in the body and the function of constituents of body fluids. Explain the contributions of water and solutes to the maintenance of a constant internal environment of cells. Constituents of body fluid. The main component of all body fluids mainly consists of water; of this 90% include blood plasma, lymph, urine, saliva, digestive juices, bile, cerebrospinal fluid and also tissue fluid. To ensure the flow of fluids water plays an important role for the onward progression of these fluids, without water this would not be possible. Water also allows substances to be transported around the body (e.g. red blood cells) as well as supplying the medium that is needed for metabolic reactions top take place (e.g. respiration) Water that is made as a by product of metabolic reactions this is not enough to sustain life, therefore the water has top be taken in as part of the diet. Water is always being transported between the fluid compartments of the body. Glucose Urea Metabolic reactions produce surplus amino acids that can then be converted into the waste product urea through the process of deamination in the liver. ...read more.


Acid-base balance PH Ph measures the amount of Hydrogen ions present in a solution. pH scale ranges from the values 1 to 14. The number 7 in the scale is the natural point and any other numbers between 1 and 7.Therefore the lower the number it would mean that there is a high acid . Importance of maintaining the hydrogen ion concentration in body fluid Buffer systems are in place in order to maintain and stabilise the pH of cellular/body fluids. Metabolic activities are controlled by enzymes, which can be described as organic catalysts. Solvent and surface tension For many substances in the body water is an excellent solvent. Water has a high surface tension; which is evident when it comes into contact with air. Solutes The cell membrane is a partial permeable barrier that allows only certain molecules through the bilayer, therefore some material due get passed due to the cell evaluation. There are two ways for the energy to get out, that are kinetic and potential. When the water molecules move according to the disparity, this where the energy is found from where to begins to where it ends. ...read more.


The tissue fluid which is known as the intercellular and the interstitial fluid have the majority component f the extracellular fluid as it has 11 litres compared to the 3 litre of plasma. The lymph has 10% of the tissue fluid that form in the remainders of the plasma. Role of tissue fluid in homeostasis In the homeostasis the tissue fluid has vital role as the fluid is pushed out of the arterial end of the capillary by the blood pressure then has remain after the bloods been pushed out through the muscular arterioles and capillaries. During this stage there are low carbon dioxide and high dissolved oxygen concentration as well as being filled up with other nutrients like amino acid, salt and glucose. The tissue fluid flows around the cells and in between giving out the raw materials by osmosis, facilitated diffusion and diffusion etc. The waste metabolic material gets passed in the opposite direction to the cells and then into the tissue fluid. Therefore if allowed to accumulate, this would or can cause disruption that can lead to the cells dying and then death can occur. Sources used BTEC health and social care book 1 (from unit 13 section) OCR Biology A2 book (from unit 1) ?? ?? ?? ?? ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Healthcare section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Healthcare essays

  1. Marked by a teacher

    The Role of Energy in the Body and the Physiology of Three Named Body ...

    5 star(s)

    1 cycle Atria Ventricles 1 square equals 0.1 second Atrial Systole = 0.1 second Systole Atrial Diastole = 0.7 seconds Ventricular Systole = 0.3 seconds Diastole Ventricular Diastole = 0.5 seconds The cardiac cycle shown above is as a series of boxes representing 0.1 second each, to study the events

  2. Marked by a teacher

    P2: Describe the structure of the tissues of the body and their role in ...

    4 star(s)

    The hyaline cartilage forms structures that support the voice box and also structures that attach the ribs to the breast bone, which covers the ends of the bones and then joints, are formed. The hyaline cartilage is not the only cartilage that is found in the body, other cartilages in the human body include fibro cartilage and the elastic cartilage.

  1. Describe (P4) the role of energy in the body and explain (M1) the physiology ...

    Right atrium receives de - oxygenated blood from the body through the superior vena cava and inferior vena cava which carries blood from the head, chest and arms and the inferior vena cava, which carries blood from the trunk and legs. Right ventricle. This has a thick wall of myocardium.

  2. P2 - Physiology of fluid balance

    Below is a diagram showing the three states of matter I have explained above; http://www.ilpi.com/msds/ref/gifs/statesofmatter.gif The three states of matter are able to transform from one state to another. 'The transformation of one state of matter into another state is called a phase transition.'


    Therefore there are many legal requirements to keep personal records confidential. This is supported by the care value of maintaining confidentiality. Promoting anti-discriminatory practice All service users have the right to be treated fairly, without discrimination or prejudice regardless of their background or social status.

  2. Lymph is formed when the lymphatic system carries away waste from the tissue. The ...

    Specialized lymphatic vessels are called lacteal. These vessels transport absorbed fat (also called chyle) and fat-soluble vitamins into the main circulation. Fluid transported in the lymphatic vessel is called lymph. Interconnecting lymphatic vessels merge into the thoracic and right lymphatic duct which empties into the left and right subclavian veins and finally into the main circulation 4.

  1. Describe the role of energy in the body and the physiology of three named ...

    Role of energy in the body: Energy within the body is needed for muscular activity and movement, to circulate blood, lymph and tissue fluid, needed for breathing and inhaling in oxygen. Energy is also needed in order to form new cells which are needed for growth and repair, it is

  2. P4- Explain the physiology of two named body systems in relation to energy metabolism ...

    The liver removes glucose and other sugars from the blood coming from the small intestine and converts them into glycogen for storage. Energy laws Energy is what we need to in order to anything, as mentioned before. The first law of thermodynamics also known as the management of energy.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work