Give a suitable word for each of the following statements.
(a) The site which responds to a hormone. [1 Mark]
(b) Name of a gland which transports secretions through ducts. [1 Mark]
(c) Chemicals which control changes at adolescence stage. [1 Mark]

(a) Target site [1 Mark]
(b) Sweat glands/salivary glands/oil glands (any one). [1 Mark] (c) Hormones [1 Mark]