CardiovascularCoordination and Exercise
The vascular system plays a significant role during exercise.
Its functions have been placed into five broad categories, which include the delivery of oxygen to the functioning muscles, oxygenating blood by moving it back to the lungs, delivering nutrients and tissues, transporting heat to the skin, and transportation of hormones (Alegret et al 1195).
Exercise places several demands on the system.
During the process, the need for oxygen shoots suddenly, metabolism heightens thus an increase in the waste products and a large percentage of nutrients are used up, and the body temperature shoots.
The cardiovascular system is tasked to regulate the changes and address the increasing body demands to maintain balance.
The cardiovascular system depicts some immediate responses to exercise that are discussed below
Even before the activity resumes, the heart rates intensify due to anticipation.
It is from this that it increases in direct proportion to the intensity of the exercise until the optimum speed is reached.
Stroke volume is used to describe the quantity of blood that is pumped out of the left ventricle per beat, and it is usually measured in ml/beat.
It also surges proportionate to the intensity of the exercise. For starters, the capacity rests at an average of 50-70ml/beat and increases up to 110-130ml/hit in situations of intense, rigorous training (Alegret et al 1196).
In trained individuals, the resting stroke is often between 90-110ml/pound rising to 15-220ml/beat during activity.
Similarly, activity leads to the intensification of cardiac output, blood flow rate, blood pressure and the demand for oxygen.
Blood temperature rises
Due to the heightened temperature, the blood vessels that are near the skin open to allow some heat to be lost and regulate the body temperature
The cardiovascular system has to meet the requirements, which are brought in by physical activities.
It regulates this by responding in certain ways as discussed above. T
There are also several long-term adaptations within the system that address this demand.
Alegret,Josep, et al. "Acute Effect of Static Exercise on theCardiovascular System: Assessment by Cardiovascular MagneticResonance." EuropeanJournal of Applied Physiology115.6 (2015): 1195-1203. AcademicSearch Premier.Web. 27 Sept. 2016.