The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands. The hypothalamus and pituitary gland are neuroendocrine organs.
A newspaper lead (or lede if you prefer) can do its job in one sentence, but with few exceptions, a paragraph will contain more than one sentence. The OWL site, aimed at college students, suggests a length of from three to five or more sentences.
Aim for three to five or more sentences per paragraph. Include on each page about two handwritten or three typed paragraphs. Make your paragraphs proportional to your paper. Since paragraphs do less work in short papers, have short paragraphs for short papers and longer paragraphs for longer papers.