Answer:
if he/she attains puberty stage
Explanation: it is an established fact that for every living entity, growth is prominent which gives room for physical, behavioural, biological, environmental changes. all the aforementioned and other innate factors contributes to changes in an individual.
Teachers are rarely qualified for that type of knowledge
Answer: Spleen
List of the organs in the immune system:
Lymphoid
Thymus
Lymph nodes
Slpeen
Lymphatic
