1.1. Fig. 1 shows a system of the human body.

Fig. 1

(i) State the name of the system represented in Fig. 1.

[1]

(ii) Identify organs A and B in Fig. 1.

[2]

1.2. The system in Fig. 1 is responsible for the secretion of hormones.

State the meaning of the term hormone.

1.3. (i) Identify one example of a hormone secreted by the system in Fig. 1.

[1]

(ii) State the role of the hormone identified in part (i).

[1]

1.4. State two differences between the system in Fig. 1 and the nervous system.