Binding of oxygen with haemoglobin is primarily related to `:`

Which statements are correct for oxyhaemoglobin dissociation curve ? (A) This curve is sigmoid (B) When CO_(2) concentration increases, then this curve shifts towards right side (C) Low temperature is favourable for dissociation of oxygen grom oxyhaemoglobin (D) Binding of oxygen with haemoglobin is primarily related to partial pressure of O_(2)

Read the following four statement carefully. (i) Ventral respiratory group of neurons of medulla oblongata can cause both inspiration and expiration. (ii) The part of the respiratory system starting with the external nostrils up to the terminal bronchioles constitutes the respiratory or exchange part of the respiratory system. (iii) During swallowing epiglottis can be covered by a thin elastic cartilaginous flap called glottis to prevent the entry of food into the larynx. (iv) Binding of oxygen with haemoglobin in primarily related of oxygen with haemoglobin is primarily related to partial prssure of O_(2) . Which of the above two statement are correct ?

Oxygen bindingto haemoglobin

Percentage of oxygen supplied by haemoglobin is

Percentage of oxygen supplied by haemoglobin is

Percentage of oxygen supplied by haemoglobin is