Question

multiple select question
select all that apply
choose all body system the thymus is considered part of.

□ respiratory system
□ cardiovascular system
□ endocrine system
□ immune system
□ lymphatic system

Explanation:

The thymus is part of the endocrine system (produces hormones like thymosin), immune system (matures T - cells), and lymphatic system (involved in lymphoid tissue and immune - related lymphatic functions). It is not part of the respiratory or cardiovascular systems in a primary functional sense related to their main roles.

Answer:

C. Endocrine system, D. Immune system, E. Lymphatic system