The vocal cords extend across the opening of the larynx. The decrease in species richness that occurs as one moves away from the equator. As latitude increases, a gradient of cooler, drier conditions occurs. A chemical related to dopamine that is used in the treatment of Parkinson's disease. The genes stay together during meiosis and end up in the same gamete.
Lipids function in the long-term storage of biochemical energy , insulation, structure and control.
In humans, the lungs are situated in the thoracic cavity and consist of the internal airways, the alveoli , the pulmonary circulatory vessels, and elastic connective tissues . A hormone secreted by the anterior pituitary gland that stimulates the secretion of testosterone in men and estrogen in women. Lyon hypothesis Idea proposed by Mary Lyon that mammalian females inactivate one or the other X-chromosome during early embryogenesis. This deactivated chromosome forms the Barr body .