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प्रश्न
Define the Circulatory system.
Define the following term:
Circulatory system
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उत्तर
The circulatory system is a transport system moving substances throughout our body with the help of blood.
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संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Blood in the pulmonary artery or pulmonary vein (Which one contains less oxyhaemoglobin ?)
The cells in our blood which destroy disease-causing germs are:
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
Angina pectoris is due to
What does the term “double circulation” mean?
What is the function of spleen?
Give reason for the following:
Atrial wall is less muscular than the ventricular wall.
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
Put a tick mark (✓) against the correct alternative in the following statement.
The only artery which carries deoxygenated blood is called,
Put a tick mark (✓) against the correct alternative in the following statement.
The blood tastes saltish due to the dissolved.
Fill in the blanks with suitable words given below:
The ______ artery takes the blood from the ventricles to the lungs.
Find the odd one out, giving reason.
What are seen as greenish blue lines in our hands and legs?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The walls of auricles are thicker than those of ventricles.
The stomach is like a ______.
Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
A resting person usually has a pulse rate between 72 to 80 beats per minute.
Hematocrit is ______.
The valve which prevents back flow of blood in the veins and lymph vessels is ______.
