Final answer:
Sweetbreads are the thymus gland of veal. The heart is derived from the mesoderm and is the first functional organ in development. The pancreas produces most fat-digesting enzymes.
Step-by-step explanation:
The sweetbreads refer to the thymus gland and sometimes the pancreas in calves, which are considered a delicacy in many cuisines. The correct answer to which veal organ is the sweetbreads is a. thymus gland. The thymus gland plays a role in the immune system of the animal.
Regarding embryogenesis, the heart is derived from the mesoderm, one of the three germ layers. The earliest organ to form and begin function in a developing human is the heart, which is crucial for the circulation of blood and nutrients to the developing fetus.
When it comes to digestion, most fat-digesting enzymes are produced in the pancreas and then released into the small intestine to aid in the breakdown of fats.