Identify Structure C on the model below. 

Identify Structure H on the model below. 

Identify Structure G on the model below. 

Identify E on the model below. 

Identify Structure D on the model below. 

Estrogen is mainly produced by the:

Atrial natriuretic peptide (ANP) promotes:

A __________________can be a formal country governed by political boundaries, such as France or Canada; a region can be defined by a landform, such as the drainage basin of all the water that flows into the Mississippi River; and a region can even be defined by the area served by a shopping mall. 

Play the sound by clicking on the icon:  The first sound in “thick.”  

Play the sound by clicking on the icon:   The first sound in “you.”