Compared to the right ventricle, the left ventricle has all the following characteristics except 

The heart lies within the ________ cavity.

The portion of the small intestine that attaches to the large intestine is the

The body’s lymphocytes are produced and stored in all of the following, except

The portion of the small intestine that attaches to the large intestine is the

The outer layer of a tooth is called the

The cells responsible for the production of circulating antibodies are ________ cells.

In active immunization, the

The outer layer of a tooth is called the

When an antigen is bound to a Class I HLA molecule, it can stimulate a ________ cell.