1. The pharmacist with whom I am going to the congress is a very nice and
intelligent person.
2. Because humans do not store most vitamins in their bodies, a human must
consume them regularly to avoid deficiency.
3. He has been working at his thesis dedicated to rare pharmaceutical processes for ten years.
4. Dyspnea is a common accompaniment; the patient complains that the crushing pressure on his or her chest prevents him or her from breathing properly.
5. Various elements differ in their chemical and physical properties.