Question

match the germ layer to the organs or structures it gives rise to.
instructions
ectoderm
mesoderm
endoderm
nervous system, epidermis, hair and nails
epithelial lining of digestive tract, respiratory tract, urinary bladder and urethra
muscle, bone, blood, internal reproductive structures

Explanation:

The ectoderm gives rise to the nervous system, epidermis, hair, and nails. The mesoderm forms muscle, bone, blood, and internal reproductive structures. The endoderm develops into the epithelial lining of the digestive tract, respiratory tract, urinary bladder, and urethra.

Answer:

• Ectoderm: Nervous system, epidermis, hair and nails
• Mesoderm: Muscle, bone, blood, internal reproductive structures
• Endoderm: Epithelial lining of digestive tract, respiratory tract, urinary bladder and urethra