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संबंधित प्रश्न
The vein that carries oxygenated blood.
Is it true that your heart beats more than one lac times per day?
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
Give reason for the following:
Only the veins and not the arteries are provided with valves.
Describe the functions of the: Blood vessels
Choose the correct alternative.
What is the minimum number of the plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside a RBC?
The stomach is like a ______.
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?
______ prevent blood clotting.
Name the following:
The structure that holds the heart valves in position.
