Answer:
3. Pathology
4. HCN
Explanation:
Pathology is the study of the nature and causes of diseases.
Collagen protein fibers are located in many parts of the body, including the muscles, tendons, ligaments, and bones. Collagen and another protein called elastin are often found together.
Answer: USDA registration for research institute.
Explanation:
United States Department of Agriculture ( USDA) is a federal agency in the United States which was founded by Abraham Lincoln. This agency plays a major role in the regulation and maintenance of farming, ranching, and forestry industries, as well as regulating aspects of food quality & safety. The agencies established under the USDA includes:
--> Agricultural research services
--> Farm service agency and
--> Animal and Plant health inspection service.
Through the Animal and Plant inspection services, the USDA administers the Animal Welfare Act (AWA) which purposefully excluded laboratory strains of rats and mice because they are breed specifically for research purposes.
<span>systematic knowledge of the physical or material world gained through observation and experimentation.</span>
