Question

Which germ layer gives rise to the heart, blood vessels, muscles, and bones?

Options

• Ectoderm

• Mesoderm

• Endoderm

• Hypoblast

Answer 1

The mesoderm is the middle germ layer that differentiates into the heart, blood vessels, muscles, bones, kidneys, gonads, connective tissue, and lymphatic tissue. It forms most of the structural and support systems of the body.