Blood Vessels
Trending Questions
The blood vessel which carries oxygenated blood from the lungs to the heart is :
(a) main artery
(b) pulmonary artery
(c) main vein
(d) pulmonary vein
What are the 11 blood clotting factors?
- Aorta
- Pulmonary artery
- Pulmonary vein
- Capillaries
What is difference between oxygenated blood and deoxygenated blood?
Give the structural differences between an artery and a vein.
What is meant by clotting of blood? Write a flow chart showing major events taking place in the clotting of blood.
Distinguish between the renal artery and renal vein.
How does RBC survive without mitochondria?
The steps included for preparing a temporary mount of human cheek cells are
- With the help of tooth pick, scrape the inner side of cheek to collect squamous epithelial cells.
- Rinse the mouth with water.
- Add a drop of of glycerin on the slide
- Add a few drops of stain methylene blue.
- Place a cover slip gently over the slide.
Correct sequence of steps is
A neurogenic heart is characteristic of
Lower vertebrates
Humans
Rat
Rabbit
Explain double circulation with a schematic diagram?
What is the function of veins?
Stroke volume is the amount of blood the left ventricle pumps out in one cardiac cycle. This is around 70 ml. Now, to get the cardiac output, we have to multiply (i)__ with the normal heart rate of (ii)__ beats/min and we get (iii)__ ml/min. This means that in one minute, a normal heart pumps about (iv)__ litres of blood out.
(i) Volume of the ventricles, (ii) 72, (iii)2, 600, (iv) 2
(i) Stroke volume, (ii) 72, (iii) 5, 040, (iv) 5
(i) Total volume, (ii) 82, (iii)8, 200, (iv) 8
(i) Volume of the heart, (ii) 72, (iii)3, 720, (iv) 3
Choose the correct statement that describes arteries.
They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart
They have thin walls with valves inside, blood flows under low pressure and carry blood away from the heart to various organs of the body
They have thick elastic walls, blood flows under low pressure; carry blood from the heart to various organs of the body
They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.
How blood is circulated in the body?
What is ventricular systole and diastole and what is the meaning f ventricular
Veins and arteries carry blood. Which of these carry blood :
(a) away from the heart ?
(b) back to the heart ?
What are the smallest blood vessels in the human body?
Name the tissue that transports food in plants.
Blood is pumped from the heart to the entire body by the :
(a) lungs
(b) ventricles
(c) atria
(d) nerves
The figure given below shows diagrammatic cross-sections of three kinds of blood vessels.
(a) Identify the blood vessels A, B and C.
(b) Name the parts labelled 1-4.
(c) Mention two structural differences between A and B.
(d) Name the kinds of blood that flow through A and through B respectively.
(e) In which one of the above vessels referred to in (a) above does the exchange of gases actually take place?
List the conditions which increase the rate of transpiration.
Which one of the following does not have valves?
(a) heart
(b) arteries
(c) capillaries
(d) veins
What are the functions of the pulmonary artery?
The valve which prevents back flow of blood in the veins is _______________
Tricuspid valve
Mitral valve
Semilunar valve
Name the respiratory pigment of the human body
Name the part of the plant where maximum transpiration occurs.
Which vein brings clean blood from the lungs into the heart ?
(a) renal vein
(b) pulmonary vein
(c) vena cava
(d) hepatic vein
What stops blood from flowing backwards through the heart ?
