Question 1 Name 2 metals which are used for making cooking utensils? Question 2 Name 2 metals which are used for making electric wires? Question 3 Name 1 metals which is used in thermometers? Question 4 Which metal is used to galvanise iron to protect it from rusting? Question 5 Name the metals which is used to make thin foils fro packaging? Question 6 Name 2 … [Read more...] about Uses of metals
haemoglobin
Respiratory System in Humans
Question 1 Name the flap which closes the glottis to check the entry of food into it during swallowing? Question 2 What happens to the diaphragm when diaphragm muscles contract? Question 3 Name the cavity in which the lungs of man are enclosed. What is its function? Question 4 State the function of epiglottis? Question 5 Explain the path of transfer of oxygen from … [Read more...] about Respiratory System in Humans