Biology

Lungs are covered with double layered thin membranous sacs called

Respiratory pigment present in the musceles is called

The external feature of a nose depends upon the cartilages and

Which one of the following is regarded as metalloprotein

The inflamation of the nasal sinuses is known as

Which one of the following is a serious disorder of the lower respiratory tract?

The highly contagious chronic infection of lungs caused by Mycobacterium, is called

ECG vaccine is used against