Ozone, prevents the entry of

Stratum comeum prevents the entry of bacteria and viruses in human body.It is a part of non specific innate immunity to which also belongs.

Stratum corneum prevents the entry of bacteria and viruses in human body. It is a part of non specific innate immunity. Which of the following is not a part of the same ?

Which of the following prevents the entry of food into the wind pipe?

Which of the following prevents the entry of food into the wind pipe?

In alimentary cannal , pyloric sphincter prevents the entry of food from -

In alimentary cannal , pyloric sphincter prevents the entry of food from -

Express in one or two word(s) Which device prevents the entry of sperms into the uterus?

Assertion :- Larynx is a cartilaginous box which helps in sound production. Reason :- Epiglottis flap covers the glottis during swallowing and prevents the entry of food into the larynx.