Question 3 :
In uraemia, artificial kidney is used for removing accumulated waste products like urea by the process called<br>

Question 5 :
The removal of nitrogenous wastes from the body is carried out by

Question 8 :
The process of filtering of blood through an artificial kidney called as ............

Question 10 :
The conversion of protein waste, the ammonia into urea occurs mainly in

Question 11 :
What is the duration between the closure of atrioventricular valves that is lubb and closure of semilunar valves that is dubb?

Question 12 :
Which of the following is not a function of circulatory system?<br/>

Question 16 :
Read the following four statements carefully.<br>(i) Ventral respiratory group of neurons of medulla oblongata can cause both inspiration and expiration.<br>(ii) The part of the respiratory system starting with the external nostrils up to the terminal bronchioles constitutes the respiratory or exchange part of the respiratory system.<br>(iii) During swallowing epiglottis can be covered by a thin elastic cartilaginous flap called glottis to prevent the entry of food into the larynx.<br>(iv) Binding of oxygen with haemoglobin is primarily related to partial pressure of $O_{2}$.<br>Which of the above two statements are correct?

Question 18 :
The time interval between the closure of semilunar valve and the closure of AV valve is _____________.

Question 22 :
Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when