The discovery <span>May, 1911: Rutherford and the Discovery of the Atomic Nucleus. In 1909, </span>Ernest Rutherford's<span> student reported some unexpected results from an experiment Rutherford had assigned him. Rutherford called this news the most incredible event of his life.</span>
Answer:
Class II
Explanation:
Angina is a condition in which the person feels the pain in the chest which is caused by the reduced blood flow to the heart, therefore, is considered a symptom of coronary artery disease.
The Canadian cardiovascular society has categorised angina on the basis of the symptoms into four types: Class I to IV.
In the given question, the symptoms of angina shown by the person are the strenuous activity on climbing the stairs after meals or climbing are the symptoms of the Class II angina in which the ordinary activities gets severed.
Thus, Class II is the correct answer.
Answer:
There are 2 Valve Systems
Explanation:
The mitral valve and tricuspid valve are located between the atria (upper heart chambers) and the ventricles (lower heart chambers).
