HVAC = Heating, Ventilation, and Air Conditioning. It is a general term for any large building's temperature controlled air handling system.
It is the run-up taken before a throw or jump.
If you are talking about the feeling like you want to throw up, the term is nausea.
ventilation is the degree of something
The term "goal throw" has no meaning in soccer. A throw in is taken when the ball completely exits the field across the touch line, and it is a means to restart play. A player of the team that did not touch the ball last will take the throw in.
Heart block is the term meaning interruption of electrical impulses in the heart's conduction system.
Homeostasis means equilibrium of a system.
Lymphoma
A cardiologist.
Hodgkin's Disease
lymphoma
nephritis