Topics from August 2021 How many bones do we have at birth? Posted by Keshav Jain on Friday, August 20. 2021 Where is 25% of human bones? Posted by Keshav Jain on Friday, August 20. 2021 Why is the mucus/phlegm green when you have an infection? Posted by Keshav Jain on Saturday, August 14. 2021 What is bronchitis? Posted by Keshav Jain on Saturday, August 14. 2021 Which is the part of the respiratory system that takes air from the trachea to the lungs? Posted by Keshav Jain on Saturday, August 14. 2021 Where are olfactory receptors located? Posted by Keshav Jain on Thursday, August 12. 2021