What are the parts of a vascular plant?

The three major internal parts of a stem are the xylem, phloem, and cambium. The xylem and phloem are the major components of a plant's vascular system. The vascular system transports food, water, and minerals and offers support for the plant. Xylem vessels conduct water and minerals, while phloem tubes conduct food.

In 1923 when Hubble spotted a Cepheid variable star in what was called Andromoda Nebula and he was able to show that Andromoda was a million light years away ,which meant that it obviously wasn’t just a cloud of gas but a whole galaxy itself.And his discovery led to him becoming the most famous astronomer in the world just overnight ,because he brought us the fact that the “world” was bigger than we thought it was