Answer:
Blood (deoxygenated) from the upper parts of the body above the diaphragm collect into the superior vena cava, blood(deoxygenated) from the lower part of the body collect into the inferior vena cava. These two vena cavae empty their contents alongside the coronary sinus (veins from the heart itself) into the right atrium. The blood is then pumped into the right ventricle via the tricuspid valve. From here,blood goes into pulmonary circulation thus,to the Lungs via the pulmonary semilunar valves through the pulmonary arteries. The oxygenated blood returns to the left atrium through the pulmonary veins and is pumped into the left ventricle via the mitral valve. Oxygenated blood is now pumpued under high pressure through the aorta via the aortic semilunar valves into systemic circulation
I think the correct answer from the choices listed above is the first option. When doing flexibility exercises, tension should be felt since your muscles are being stretched. <span>Stretching should form a fundamental part of any </span>exercise<span> program as this make your body ready for any activity.</span>
Oral cancer is not an effect of long term alcohol consumption
Answer:
d
Explanation:
Cardio-vascular health throught out your life is important as it leads to a healthier lifestyle. One benefit is that exercise will help keep you heart healthy. It will help keep the flow going and your heart rate in a normal rythm. Your arteries and veins will keep flowing and be less likely to get clogged.
Second, it will also help prevent other medical issues such as obesity which puts an extra strain on your heart. It will help your fat stay down which will keep the weight off of your other organs. Too much fat and pressure can cause your organs to start shutting down from the weight of the fat.
