Which of the following pairs represent the given tissues/organs as endoderm derivatives during gastrulation?

Skin epidermis, mouth epithelium . Thyroid gland and thymus gland. Hair and nail epidermis. Heart, kidneys.

Thyroid gland and thymus gland.

Skin,hair and nail epidermis are ectoderm derivatives. Heart and kidneys are mesoderm derivatives. Thyroid and thymus gland are endoderm derivatives.