Ais an internal sac-like respiratory surface that allows oxygen to be absorbed from the air.
a. lung
b. trachea
c. gill
d. pharynx

How does sending the test results as its written might affect the patient?

What three factors shape our personality

For my health class we were given a bunch of pictures of pregnancy tests for extra credit we have to say if they’re negative or positive. i can’t tell if this is a shadow or if it’s a faint positive