1. Chemistry is a study of different kinds of matter, called substances, and the changes involved when one substance is transformed into another.
2. You will be attended to by a cardiologist.
3. Atoms are bonded together strongly enough to be regarded as a single entity.
4. Of special interest were the attempts to obtain an absolutely new medication.
5. Pharmacokinetics is the characteristic interactions of a drug and (the) body in tenus of its absorption, distribution, metabolism and excretion.