Biology 0610 · IGCSE · Heart

Heart — practice question

(a(i))[1]

On Fig. 2.1, mark the right ventricle with an R.

(a(ii))[2]

State the names of the structures labelled A and B in Fig. 2.1.

(a(iii))[2]

Complete the sentence about blood vessel C. Blood vessel C carries blood from the [BLANK] to the [BLANK].

(b)[3]

Explain how the incomplete heart structure shown in Fig. 2.2 may affect a person’s ability to transport oxygen.

(c(i))[4]

Describe the data shown in Fig. 2.3.

(c(ii))[2]

State the balanced chemical equation for aerobic respiration.

(c(iii))[1]

State the name of the chemical that causes this oxygen debt.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: R placed on the right ventricle

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