The are where oxygen transfers from
your lungs into your blood and carbon dioxide is
pushed out.

The membrane surrounding a bone is the

Rectangle pqrs has vertices p(1, 4), q(6, 4), r(6, 1), and s(1, 1). without graphing, find the new coordinates of the vertices of the rectangle after a reflection over the x-axis and then another reflection over the y-axis.

Describe the effects and potential risks associated with pica. include lead poisoning in the discussion.