Draw neat and labelled diagrams of the Respiratory system. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> [Textbook Question 3a pg no.82]
Draw neat and labeled diagram of Internal structure of heart. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> [Textbook Question 3b pg no.82]