Transcribed Image Text: Matching 22. For each of the following key choices, decide whether it applies to the lymph nodes, the spleen or the thymus, and complete Table 6.1. Key

Transcribed Image Text: Matching
22. For each of the following key choices, decide whether it applies to the lymph nodes, the spleen or the thymus,
and complete Table 6.1.
Key choices:
where T-lymphocytes mature
Bean shaped
Largest lymphatic organ
Site of multiplication of activated lymphocytes Oval in shape
Stores blood
Lies immediately below the diaphragm
At its maximum size at puberty
Filters lymph
Made up of two narrow lobes
Red blood cells destroyed here
Distributed throughout lymphatic system
Maximum weight usually 30-40 g
Lies immediately behind the sternum
Size from pinhead to almond-sized
Secretes the hormone thymosin
Synthesises red blood cells in the fetus
Phagocytoses cellular debris
Table 6.1 Characteristics of lymph nodes, spleen and thymus
Spleen
Thymus
Lymph node