Which term means toward the middle or midline of the body?

After focusing on an object with the low power objective lens, you are trying to bring it into focus under the 40x objective lens, but the field of view is very dark.  Which of the following may remedy this problem?

Which number represents the the right iliac (inguinal) region?

Which number represents the the hypogastic region?

Most chemicals used in the laboratory can be discarded in the sink after use.

Which number represents the the left lumbar region?

Which number represents the radius?

Which number represents the occipital?

Match the following items with their proper disposal mechanism.

Which number represents the ulna?