Unit 2 Acute response to exercise is short term effects that exercise has on the body. Musculoskeletal response An acute response of the musculoskeletal system during exercise includes an increase in blood supply. The short term effects on your muscles increases the temperature therefore there is more activation energy so chemical reactions are used by the musculoskeletal system and the metabolic activity increases. As the oxygen demand increases, more oxygenated blood needs to be supplied to the muscles so vasodilatation occurs so more blood can pass through the arteries. This affected me during the bleep test because vasodilation allows more oxygenated blood to travel to the actively respiring muscle tissues.
The body receives oxygen from the lungs and transmits it to your muscles through your bloodstream. The heart controls the flow of blood throughout the body and your heart rate is a factor of that flow. Therefore when your muscles work harder and require more oxygen, your heart rate increases to meet the needs to maintain a consistent internal state, the harder you work the faster your heart pumps. The probable homeostatic responses to changes in the internal environment during exercise to the breathing rate, exercise will increase the demands on your body to supply the fuel it needs to perform. Your body’s need for oxygen will increase.
It is produced by the sweat glands and pours out onto the surface of the skin, the water then evapoarates which removes heat from the skin therefore cooling the skin down. Whenever your body feels a change on the outside, it must account for and adjust functions inside the body in order to maintain its normal state. When you exercise, your muscle tissues demand more oxygen. The body responds to this increased demand by increasing blood flow, which creates higher blood pressure. In order to get more oxygen into your body and into your blood to flow to those muscles, you have to take in more oxygen through breathing.
Rigorous exercise primarily affects the skeletal system in the area of bone-mineral density. Providing weight-bearing loads on the body significantly affects the integrity, stability and strength of bone. Bone-mineral density is improved through chronic exercise in the form of resistance training. There are a variety of positive changes that occur in the cardiovascular system due to rigorous exercise participation. Rigorous exercise increases several vital components of the cardiovascular system such as heart size, stroke volume, cardiac output, blood flow and blood pressure.
The endocrine system carries chemical messengers to adjust bodily functions. During forms of exercise, the body’s internal environment is altered and placed under a considerable amount of stress. Through homeostatic feedback mechanisms, the body is able to maintain a healthy internal environment and quickly return to normal after exercise ends. These homeostatic mechanisms respond to
Case Study Questions: 1.) Explain the renin-angiotensin-aldosterone system. When the kidneys sense decreased profusion pressure, they try to increase this pressure by increasing blood volume through the renin-angiotension-aldosterone system. Once the decreased pressure is sensed renin is released, which increases conversion of angiotension to angiotension I. Angiotension I is in turn converted to angiotension II by the angiontension converting enzyme (ACE). Angiotension II causes vasoconstriction, which raises the blood pressure.
Cardiovascular endurance is important because you heart controls the oxygen flow to your muscles directly affecting performance The type of athlete that requires good cardiovascular endurance is similar to muscular endurance; an example would be a footballer. Cardiovascular endurances can be improved as the heart is a muscle, to test cardiovascular endurance you could do the bleep test. The bleep test requires the participant to run a distance keeping in time with a recorded cd. Similar to the abdominal curl test the bleep test is completed when the participant can no longer keep up with the CD. Body Composition Body composition refers to 3 different types or shapes of body endomorph, ectomorph and mesomorph.
This single metabolic fact accounts for the profound changes in not only respiration, but also in cardiac and circulatory physiology during exercise. Increased oxygen supply is provided by increases in both arterial oxygen delivery and tissue oxygen extraction; at the same time there is increased carbon dioxide transport on the venous side. The need for increased gas exchange by exercising muscles leads to the following general physiologic
The body’s metabolic rate is increased as its need for energy is increased, and the body becomes more resourceful. Muscle tone and muscle mass increase after the muscles tear and reconstruct themselves. In addition to improved muscle tone and muscle mass, there are other effects of exercise for physical disease control and/or prevention. A person’s entire body system, including all the ***** 2 body parts, is in continuous movement when exercising. The cardiovascular (heart), circulatory, and pulmonary (lungs) systems probably benefit the most from routinely
Bones respond to lifting, making them stronger and then helping to prevent osteoporosis. Your metabolic rate increases, as lifting builds muscle, and muscle burns more calories than fat. When you lift, it rips little strands of muscle tissue, and the muscles grow back bigger and stronger. This makes me stronger, and able to do more things in my life. As result of being stronger, I am able to increase my performance in sports.