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.
A paragraph may be one sentence or several, although most paragraphs average between 3 and 8 sentences. A paragraph consists of material related to a specific subtopic or concept within the written text. There is no standard size, just as there is no set number of words in a sentence.