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The difference between systolic and diastolic pressure is

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Important Questions on Life Processes

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Write the name of device used to measure the blood-pressure.
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What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?  
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In humans, during one cardiac cycle, diastole takes place for how many seconds in the ventricle?
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Answer the following:

Differentiate between Translocation and transpiration.

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Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?

(i) They do not need to reproduce

(ii) They are somatic cells

(iii) They do not metabolize

(iv) All their internal space is available for oxygen transport
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Name the following:

The smallest blood vessels with one cell thick walls.

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Calculate the cardiac output on an individual having 70 heartbeats/min with a stroke volume of 55 mL.
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Science>Biology>Life Processes>Transportation
Draw a well labelled diagram of schematic sectional view of Human Heart.
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Science>Biology>Life Processes>Transportation
How many arteries are there in an umbilical cord?
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Science>Biology>Life Processes>Transportation
In which animal open blood vascular system is found?
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Science>Biology>Life Processes>Transportation
Why are the gills of Fish fine and delicate?
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Science>Biology>Life Processes>Transportation

Which of the following has no role in blood clotting?

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The human heart is the pump of the body.
(a) From which chamber is the oxygenated blood pumped to all parts of the body?
(b) Name the blood vessel in the heart which carries blood to the lungs.
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What is blood pressure? What is the approximate value of normal systolic pressure and diastolic pressure?

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What does the term double circulation mean?
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What is blood? Write its any two functions.
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Science>Biology>Life Processes>Transportation
Differentiate between Artery and Vein.
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Science>Biology>Life Processes>Transportation
A regular check on the unborn baby of a lady towards the end of her pregnancy showed a heart rate of 80 beats per minute. What would the doctor infer about the baby's heart condition from this?
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Science>Biology>Life Processes>Transportation
Stroke could be prevented/treated with:
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Science>Biology>Life Processes>Transportation

Blood pressure is measured with _____