Question

circulatory system in
able diagram whic
mammals and birds?
49. (a) What
(b) What change occurs in heart Vello
Long Answer Type Questions
50. (a) What is blood ? Why is it red ?
(b) State the functions of blood in our body.
(0) Name a circulatory fluid in the human body other than blood.
51. (a) What is meant by human circulatory system ? Name the organs of the circula
(b) Draw a diagram of the human heart and label its parts.
(C) What is meant by the terms 'single circulation' and 'double circulation' ?
52. Describe the working of human blood circulatory system with the help of a suitable
all the steps involved
33. (a) Name the red pigment which carries oxygen in the blood.
(6) Why is it necessary to separate oxygenated and deoxygenated blood in mamma
(C) How many chambers are there in the heart of: (1) an amphibian, (ii) a mammal
(d) Describe the circulatory system in a fish.
54. (a) What is lymphatic system? What are its functions ?
(b) What is blood pressure? What are the two factors used to express the blood presso
(c) Name the main nitrogenous waste in the human blood. How is it removed from the hi
55. (a) Name the various organs of the human excretory system.
o Draw a neat labelled diagram of the human excretory system.
and (iii) a fish
od pressure of a pers
ved from the blood ?
Vam
aw a labelled diagra
(C) What is the function of excretory system in humans?
Describe the mechanism of urine formation in human excretory system. Draw a
illustrate your answer.
(b) Where is urine carried through ureters ?
(c) What is urethra ?
57. (a) What is meant by dialysis ? What type of patients are put on dialysis ?
Explain the principle of dialysis with the help of a labelled diagram.
Why is transport of materials necessary in an organism (plant or animal) ?
" What is the need of special tissues or organs for transport of substances in plants and anima
(C) How are water and minerals transported in plants?
(d) How is food transported in plants ?​

Answer 1

Answer:

Th blood is follow me....

Answer 2

Answer:

idk

Explanation:

y can u food a food but can't drink a drink a drink a drink it to get to get ur money or something else else is that I

soap is an nannnnnn afood kill a food for me too late late reply reply me too baby baby girl I