This is a ciliated simple columnar epithelium within the lung. What type of respiratory space is labeled?

What is the connective tissue that crosses the organ called?

This portion of this lymphatic organ has many lymphocytes present. What do we call this structure?

What region of the tonsil is the arrow pointing at?  

What type of tissue is the arrow pointing at?

The arrow is pointing at a respiratory space in the lung that has a simple squamous epithelium. What region of the lung is the arrow pointing at?  

What portion of this organ is the arrow pointing at?

The skeletal pump works to …

The vena cavas …

What type of blood vessel is this?