Blood is filtered and cleansed, and erythrocytes are stored in the ______.

An immune response begins when a ________ is activated by binding to both a foreign antigen and a self antigen on an antigen presenting cell’s plasma membrane.

Teeth that are well suited to biting off food are the __________.

Two organs that help detect low blood cell numbers and produce hormones to correct this are the ______.

The D antigen is also known as ___________.

Males generally have higher RBC counts than females because ______.

The antibody that is capable of crossing the placental barrier and is responsible for the Rh incompatibility between an Rh negative mother and an Rh positive fetus is ______.

There are about ______ platelets in one μl of blood.

The immunity that one receives from their mother both prenatal and postnatal is referred to as ______.

The fat-soluble vitamin required for the formation and maintenance of cell membranes is ___________.