The 4 main macromolecules in cells made largely from C, O, H, and N are Carbohydrates, Lipids, Proteins, and Nucleic Acids. For each of these 4 macromolecules, I would like you to know: 1. What the monomer (basic building block) is 2. What types of polymers result 3.
Inferior vena cava. The inferior vena cava is also referred to as the posterior vena cava. The inferior vena cava is a large vein that carries de-oxygenated blood from the lower body to the heart. De-oxygenated blood means most of the oxygen has been removed by tissues, and therefore the blood is darker.he right atrium is located on the lower right back side of the heart. The inferior vena cava runs posterior, or behind, the abdominal cavity. This vein also runs alongside the right vertebral column of the spine. The inferior vena cava is the result of two major leg veins coming together.
â¢ SUPERIOR VENA CAVA (noun). The noun SUPERIOR VENA CAVA has 1 sense: 1. receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins.Familiarity information: SUPERIOR VENA CAVA used as a noun is very rare.Dictionary entry details.eaning: Receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins.