- lies in the region between the notochord and oral plate
- forms the pharyngeal membrane
- marks the future site of the mouth of the embryo
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..