Drugs are substances used in medicine to treat, prevent, diagnose diseases or regulate physiological functions. Drugs can be natural or synthetic. Natural medicines include Chinese herbal medicines, animal medicines and mineral medicines. Synthetic drugs include chemical drugs and biological drugs.
Injection is a pharmaceutical dosage form in which drugs are dissolved or suspended in liquid and then injected into human body through syringe. The injection can be water, oil, suspension, etc.
Instruments refer to tools or equipment used for medical diagnosis, treatment or rehabilitation. There are many kinds of medical instruments, including surgical instruments, examination instruments, therapeutic instruments and rehabilitation instruments.
Equipment refers to large instruments or devices used for medical diagnosis, treatment or rehabilitation. There are many kinds of medical equipment, including X-ray machines, CT machines, nuclear magnetic resonance machines, ultrasonic instruments, ventilators and anesthesia machines.
Technology refers to the methods or means used for medical diagnosis, treatment or rehabilitation. There are many kinds of medical technology, including surgical technology, anesthesia technology, radiotherapy technology, chemotherapy technology, rehabilitation technology and so on.
Therefore, medical inventions include not only drugs and injections, but also instruments, equipment and technologies. These inventions have made great contributions to improving human health and quality of life.
Physics is a basic science, which studies the motion forms of matter and their interactions. Physics has invented many things, including electrical appliances, instruments, equipment, technology and so on.
Electrical appliances refer to machines or equipment that use electric energy to work. There are many kinds of electrical appliances, including household appliances, industrial appliances, medical appliances and scientific research appliances.
Instruments refer to tools or equipment used to measure, observe or analyze physical quantities or material properties. There are many kinds of instruments, including measuring instruments, observing instruments and analyzing instruments.
Equipment refers to large-scale instruments or devices used for physical experiments, production or other purposes. There are many kinds of equipment, including experimental equipment, production equipment and medical equipment.
Technology refers to the method or means to realize a certain function or achieve a certain purpose by using the principles of physics. There are many technologies, including measurement technology, control technology, communication technology and energy technology.
Therefore, the things invented by physics include not only electrical appliances, but also instruments, equipment and technology. These inventions have made great contributions to the development and progress of human society.