Advertisements
Advertisements
प्रश्न
When are the sounds "LUBB" and "DUP" produced respectively during heart beat?
उत्तर
- The first sound LUBB, is produced when the atrioventricular valves, i.e. tricuspid and bicuspid, valves close at the start of ventricular systole.
- The second sound, DUBB, is produced at the beginning of ventricular diastole when the pulmonary and aortic semilunar valves close.
APPEARS IN
संबंधित प्रश्न
The exact location of the tricuspid valve
Give appropriate biological or technical terms for the following
The relaxation phase of the heart.
Given below is a highly schematic diagram of the human blood circulatory system.
Which numbers represent the following respectively?
Aorta
Hepatic portal vein
Pulmonary artery
Superior vena cava
Renal vein
Stomach
Fill in the blank:
In human body, heart is located on the _____ side of the chest cavity.
Fill in the blank:
______ carry pure blood.
Define the Circulatory system.
Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
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?
Identify the normal haemoglobin count in human females.
Name these:
Three circulating fluids in human body.
