Biology 0610 · IGCSE · Gas exchange in humans

Gas exchange in humans — practice question

(a)[3]

Finish Fig. 5.1 by writing the names of the structures into the spaces given.

(b(i))[1]

Circle the name of the part of the breathing system that joins the alveoli.

(b(ii))[1]

State the organ that contains the alveoli.

(c(i))[1]

Circle the arrow on Fig. 5.2 that indicates the net direction of movement of carbon dioxide.

(c(ii))[3]

Describe the features of alveoli that allow efficient gas exchange.

(d(i))[2]

State the word equation that describes aerobic respiration.

(d(ii))[1]

State the cell structure where aerobic respiration occurs.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: an intercostal muscle

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI