Breathing and E...

Oxygen carrying capacity of blood is reduced by.

Alveoli occur in ______. 

Carboxyhaemoglobin is produced due to.

How many cartilages form larynx?

Oxygen binding to haemoglobin is

Read the following statements regarding the mechanism of respiration and choose the correct option.
$$1$$. Inspiration occurs only when there is negative pressure in the lungs with respect to the atmosphere.
$$2$$. Expiration takes place only when intrapulmonary pressure is lower than atmospheric pressure.
$$3$$. Pressure gradients are generated with the help of the diaphragm and intercostal muscles.
$$4$$. Inspiration is initiated by the relaxation of the diaphragm.
$$5$$. Contraction of the diaphragm reduces pulmonary volume and increases intrapulmonary pressure causing expiration.

Find the correctly matched pair.

What is $$pO_2$$ and $$pCO_2$$ in synthematic arteries?

Increased body temperature makes oxygenhaemoglobin dissociation curve to.

A chemosensitive area adjacent to the rhythm centre in the brain is highly sensitive to
I. O$$_2$$