Carbon monoxide has a density that is about 97% that of air under normal room temperature. So, to answer the question, no, it is lighter than air. You would think, then, that it would rise. In real-world conditions, there are a lot of forces that cause the CO to mix rather completely into the air.
Growth Hormones. Growth Hormones are responsible for the development function of the entire body. Growth Hormones are peptide hormones which encourages growth and cell regeneration in both humans and animals.
Anterior pituitary. Most pituitary tumors begin in the larger, front part of the pituitary gland known as the anterior pituitary. This part of the gland makes several hormones that control other endocrine glands. 1  Growth hormone (GH, also known as somatotropin) promotes body growth during childhood.2  If too much is made in a child they will grow very tall. 3  Normally, adults make only small amounts of growth hormone.his part of the gland makes several hormones that control other endocrine glands. 1  Growth hormone (GH, also known as somatotropin) promotes body growth during childhood. 2  If too much is made in a child they will grow very tall.