Menactra Vaccine Immunogenicity. Helps protect against 4 vaccineâpreventable serogroups1,2. Immunogenicity proven in clinical trials â confirmed in everyday use1. The immune responses to Menactra and Menomune-A/C/Y/W-135 vaccines were comparable for all 4 serogroups1,6.
The mediastinum is the middle section of the chest cavity. The chest cavity contains the left and right lungs, which lie on either side of the heart. The heart is contained in the portion of the chest known as the mediastinum.
The Thoracic cavity contains the heart and the lungs. Actually, the heart is located in the mediastinum.. and the lungs are in the plural cavity... but both, together, are located in the thoracic.. Hope this answers your question. Source(s): My anatomy and phsyiology class. whew, I sure learned a lot..