Match the parts of the thyroid follicles:

1. Surrounds each follicle.
2. Produce the hormone calcitonin, which helps.
3. Produce triiodothyronine (T3) and thyroxine (T4).
4. Contains thyroglobulin (TGB), which is used to synthesize thyroid hormones.
5. Together, these are known as the thyroid hormones.
6. Produce thyroxine and triiodothyronine.

A) Thyroid Follicle
B) Parafollicular Cells
C) Follicular Cells
D) Basement membrane
E) Thyroid Follicle and Follicular Cells
F) Follicular Cells and Basement Membrane