They have 46, instead of the usual 47.
The water cycle provides fresh water by evaporating salt water because salt can't be picked up when evaporated so you have fresh water in the sky. When it rains, it spreads the water around into groundwater, lakes, steams, etc.
The thymus gland serves as the site where T lymphocytes become immunocompetent T cells. It is the main organ that composes the lymphatic system. It is much related to the immune system than as it is related to the endocrine system.
