Drugs are substances used in medicine to treat, prevent, or diagnose disease or to regulate physiological functions. Drugs can be natural or synthetic. Natural medicines include herbal medicines, animal medicines, mineral medicines and so on. Synthetic drugs include chemical drugs, biological drugs and so on.
An injection is a drug dosage form in which a drug is dissolved or suspended in a liquid and then injected into the body through a syringe. Needles can be aqueous, oil, suspension, etc.
Devices are tools or equipment used for medical diagnosis, treatment or rehabilitation. There are many types of medical devices, including surgical devices, examination devices, therapeutic devices, and rehabilitation devices.
Equipment refers to large instruments or devices used for medical diagnosis, treatment or rehabilitation. There are many types of medical equipment, including X-ray machines, CT machines, MRI machines, ultrasonic instruments, respiratory machines, anesthesia machines and so on.
Technology refers to the methods or means used for medical diagnosis, treatment or rehabilitation. There is a wide variety of medical technology, including surgical technology, anesthesia technology, radiation therapy technology, chemotherapy technology, rehabilitation technology, and so on.
Medicine has therefore invented not only medicines and injections, but also instruments, devices, techniques, etc. These inventions have contributed greatly to the improvement of human health and quality of life.
Physics is a basic science that studies the forms of motion of matter and their interactions. Physics has invented many things, including appliances, instruments, devices, and technologies.
An electrical appliance is a machine or device that works with electrical energy. There are many types of appliances, including household appliances, industrial appliances, medical appliances, and scientific research appliances.
Instruments are tools or equipment used to measure, observe or analyze physical quantities or material properties. There are many types of instruments, including measuring instruments, observation instruments, analyzing instruments and so on.
Equipment is a large instrument or device used for physical experimentation, production or other purposes. There are many types of equipment, including experimental equipment, production equipment, medical equipment, etc.
Technology refers to the methods or means of utilizing the principles of physics to achieve a certain function or achieve a certain purpose. There are many types of technology, including measurement technology, control technology, communication technology, energy technology, etc.
Thus, physics has invented not only electrical appliances, but also instruments, devices, technologies, etc. These inventions have made great contributions to the development and progress of human society.