Mention the phase of heart beat in which both the atrio-ventricular valves are closed.

One Line Answer

Ventricular systole.

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Chapter 8 The Circulatory System
Progress Check | Q 12. | Page 105

Why is blood needed by all the parts of a body?

Differentiate between LUBB and DUP (names of the valves whose closure produce the sound)

Why is it necessary to know the blood groups before giving transfusion?

Angina pectoris is due to

Explain the difference.

Arteries and veins.

Distinguish between Intrinsic and extrinsic process of clotting

Analogy

Lungs: Respiratory system:: _______: Circulatory system.

Label the diagram given below to show the four main parts of the urinary system and answer the following questions.

Which organ removes extra salts and water from the blood?
Where is the urine stored?
What is the tube through which urine is excreted out of the body?
What are the tubes that transfer urine from the kidneys to the urinary bladder called?

Which of the following correctly represents the components of blood?

Serum differs from blood in lacking ____________.