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प्रश्न
Fill in the blank with suitable word given below:
The two lower chambers of the heart are called ___________.
उत्तर
The two lower chambers of the heart are called ventricles.
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संबंधित प्रश्न
Multiple choice question. Tick (✓) the correct choice:
The heartbeat is measured by an instrument called
- thermometer
- sphygmomanometer
- stethoscope
- none of the above
Choose the correct answer:
Which of the following engulfs pathogen rapidly?
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
How many valves are closed in this phase?
Column 2 is a list of items related to ideas in Column 1. Match the term in Column 2 with the suitable idea given in Column 1.
| Column 1 | Column 2 |
| (i) Superior vena cava | (a) Collect deoxygenated blood from the wall of the heart. |
| (ii) Inferior vena cava | (b) Carry oxygenated blood to heart muscle. |
| (iii) Pulmonary vein | (c) Collects deoxygenated blood from upper part. |
| (iv) Coronary veins | (d) Collects deoxygenated blood from lower parts. |
| (v) Coronary artery | (e) Brings oxygenated blood from lungs. |
| (vi) Aorta | (f) Large artery |
| (vii) Heart attack | (g) Large vein |
| (viii) Blood Pressure | (h) Oxygenated blood |
| (ix) Tricuspid valve | (i) Sphygmomanometer |
| (x) Bicuspid valve | (j) Allows blood flow from right auricle to right ventricle. |
| (xi) Contraction and relaxation of heart | (k) Blocking of coronary arteries. |
| (l) Cardiac muscle. | |
| (m) Allows blood flow from left auricle to left ventricle. | |
| (n) Allows blood flow from right ventricle of pulmonary aorta. |
Which of the following event occurs during ventricular diastole?
Observe the diagram, Identify the parts labelled as P, Q, R, S. Choose the correct option for the conduction of cardiac impulse.
Assertion: Human heart does not allow the mixing of oxygen to reach blood with carbon dioxide to reach the blood.
Reason: Human heart has different chambers.
The walls of the heart is made up of cardiac muscle.
What is the advantage of having a four-chambered heart?
Give reason:
Pulmonary veins carry oxygenated blood.
