The heart forces the ‘oxygenated’ blood through a range of connecting blood vessels specifically speaking arteries which travel around your body providing your cells with the necessary materials that the blood contains. As the blood reaches your cells the oxygen is released in order for the cells to function. The cells then give out waste materials which can include co2 and water. In order for your blood to receive these waste products they absorb it. We now have deoxygenated blood which goes through your veins aiming towards your heart.
Unless our surroundings are at an appropriate temperature, we are not going to be comfortable. If uncomfortable this will mean that the clients work will not be done to their full potential. There are 6 important factors in relation to thermal comfort; • Activity level (I.e. the amount of physical work done) We produce excess heat all the time. This is because; heat is a by-product of the metabolic process meaning that heat must be released from our body to keep the body temperature right at 37oC.
These two free ions bind together forming a carbonic acid intermediate that reacts further with carbonic anhydrase converting it back into a gas. Ventilation is controlled by respiratory centres in the brainstem. Ventilation is modified in response to inputs from sensory afferents in order to maintain homeostasis of partial pressures and pH of the blood. There are multiple types of sensory afferents related to ventilation: central and peripheral chemoreceptors, pulmonary stretch receptors, irritant receptors and proprioceptors. These sensory afferents send impulses to two anatomical regions within the central nervous system; the pontine respiratory centre and the medullary respiratory
All living beings either have a heart beat or some explaining to do. As the blood transfers the necessary nutrients throughout the body for survival, a pumping heart providing a heart beat is important1(p360). The electrocardiogram (ECG) is a way to record and monitor the electrical activity of the heart while being non-invasive1(p373). The purpose of this study is to record and examine the ECG tracings acquired when an individual partakes in low, medium, and high intensity anaerobic training. Heart rate is a measurement used in a variety of studies for a variety of reasons.
In this section I will explain how two of the body systems interrelate to perform a function. My two body systems are the cardiovascular system and the digestive system and how they work together to enable food to be digested. First of all, the digestive system works by passing food through the human system, whilst breaking it down and absorbing nutrients. The circulatory system transports the oxygen and other compounds through our bodies. These two work together to process and circulate nutrients so our cells can use them for fuel.
The respiratory system provides oxygen to the body’s cells while eliminating carbon dioxide, a waste product that can be lethal if allowed to accumulate. The respiratory system is divided into two parts: Upper respiratory tract - This includes the nostrils, mouth, and the beginning of the trachea (the section that takes air in and lets it out). Lower respiratory tract - This includes the trachea, the bronchi, bronchioli and the lungs (the act of breathing takes place in this part of the system). The organs of the lower respiratory tract are located in the chest cavity. They are laid out and protected by the ribcage, the chest bone (sternum), and the muscles between the ribs and the diaphragm (that constitute a muscular partition between the chest and the abdominal cavity).
I. The circulatory system is one of the most important function in our body. It provides nutrients and oxygen to the tissues and cells and removes waste products produced by the cells. As the blood travels throughout the body, it picks up nutrients from the small intestine, oxygen from the lungs and hormones from the endocrine gland and delivers these materials to the cells. Once delivered, the blood picks up the waste products and carbon dioxide produced by the cells and transfers it back to the lungs.
The melanocortin system is important for energy balance and it controls both eating, energy intake and energy expenditure. HPT axis and melanocortin work together to control energy input and output. For example in a prolonged fasted state, when there is a negative energy balance, the HPT axis is regulated differently, such as low plasma T3 and T4, low thyroid stimulating hormone (TSH) and the reduction of thyrotrophin releasing hormone (TRH) secretion and biosynthesis. This hypothyroidism may be an adaptive response to not getting energy into the body, so thermogenesis gets reduced hence less stored energy will be used (Martin, Imperial college). √
An electrocardiogram (ECG) measures the electrical action of the heart. It can distinguish if the heart muscle is expanded and if there is harm to the heart muscle from blocked supply routes. Urine and blood tests might be done to assess wellbeing and to distinguish the nearness of disarranges that may bring about
When someone is not having enough food, their immune system weakens, therefore disease is more common. “Hunger and malnutrition make the body weak and vulnerable to diseases and infections”(‘What Are the Effects of Hunger?’). Therefore, their body is at higher risk of getting sick since they cannot fight off infection very well. Also, since their immune system is weaker than it should be, at times of disaster, for example a hurricane or tsunami, the person would not be able to survive very easily. It would take all the energy and effort they have left in their bodies to get out safely.
The obesity also leads to diabetes and reduces the immune capacity of the patient. Constant hyperglycaemia and poor foot hygiene, lack of lifestyle modification, poor blood glucose monitoring, and lack of exercises may lead to uncontrolled diabetes. The diabetic neuropathy leads the patient’s feet to get injury and ulcer formation. The BMI indicates that the person’s weight the degrees
Cellular Respiration Lab Introduction In this lab, the primary investigation was to discover which factors affect cellular respiration. In this particular inquiry, the factor tested was the amount of time the lentil seeds were germinated. This study was performed in order to understand the process of cellular respiration as well as be able to measure and observe gas concentration as a result of impacting factors. Cellular respiration is necessary for life-processes, converting glucose and oxygen into ATP, carbon dioxide, and water, in a series of metabolic reactions. This process can be measured in numerous ways, such as observing the amount of heat produced or changes in temperature in general (since cellular respiration is exergonic.)
Part A: Sugar study Diabetes is a condition where sugar is not processed properly in the body. If the diabetic does not take care of their condition, complications may arise which could have a significant impact of the quality of the life of the diabetic, which could reduce their life expectancy. Although there is no cure for diabetes, the diabetic can still maintain a healthy life by effectively managing their food consumption. There are three types of diabetes, type one, type two and gestational diabetes. All three types are very complex and are serious conditions that needs to be taken care of.
Many times the brain confuses thirst with hunger, so this slight issue usually causes people to overeat when in reality, all they needed was simply water. Body functions will also not be able work as well as they could and can put health more at risk to sickness or disease. Some people, especially athletes, may notice sore joints during or after workouts if not properly hydrated prior to exercise. Mild dehydration can also cause headaches, dizziness, and low energy levels. Severe dehydration can result in body functions shutting down, very low energy levels, and fainting.