Advertisements
Advertisements
Question
When are the sounds "LUBB" and "DUP" produced respectively during heart beat?
Advertisements
Solution
- 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
RELATED QUESTIONS
fill in the blanks with suitable functions: Eustachian Tube and ______
Give appropriate biological or technical terms for the following
The relaxation phase of the heart.
what is Lymph nodes?
Fill in the blanks with suitable words given below:
The oxygen-rich blood is pumped into different parts of the body through ______.
Which side of the heart (left or right) contains oxygenated blood?
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
True or false:
The four blood groups in human beings are A, B, AB and AO
Veins have valves at intervals in their inner lining whereas the arteries do not have valves. Explain.
State the Location: Bundle of His
Circulation is carried out by ______ in higher animals.
