By maintaining homeostasis, organisms remain healthy, strong and stable, with protection from the attacks of foreign organisms, such as viruses, bacteria and fungi. Homeostasis enables organisms to remain balanced while living in constantly changing environments.Continue Reading
By definition, homeostasis is the tendency of a system to maintain internal stability. It is essential to life in higher animals. When the external temperature rises, the human body responds by forming perspiration to maintain core temperature of 98.6 F, at which the body functions best.
In the human body, the endocrine and nervous systems control homeostasis. The organs and organ systems provide feedback to the brain. The body maintains homeostasis through maintaining temperature, balancing pH, maintaining a balance between electrolytes and water, respiration and maintaining blood pressure.
When a person ingests a meal containing large amounts of electrolytes, such as table salt, the nervous system senses the electrolyte imbalance. The brain sends signals to the body to retain water to maintain the electrolyte balance. Physically one may notice swelling in the feet as well as thirst. As the individual drinks fluids, he dilutes the electrolytes. In response to the increase in water, the cells release the water they were holding to maintain homeostasis. The kidneys then filter the excess fluid and electrolytes from the system.Learn more about Biology
Archaea, bacteria, Protista, fungi, viruses and microbial mergers are divisions that contain microorganisms. Most microorganisms are single-celled organisms. Baker's yeast and fission yeast are unicellular microorganisms.Full Answer >
Monocular microscopes, or single-eyepiece microscopes, are often used to study very small objects and organisms that can't normally be observed by the naked eye, such as cells, fungi and bacteria. These microscopes feature a magnification power typically ranging from 40x up to 1400x.Full Answer >
Biological mutant agents are substances that change the genetic material of organisms, such as DNA, and include certain chemicals and rays, such as ultraviolet radiation, X-rays and gamma rays, along with viruses and bacteria. Many mutagenic agents cause cancer, and are dually classified as carcinogens. While mutant agents cause artificial changes in genetic codes and replication, some mutations occur naturally and are caused by spontaneous hydrolysis and errors in DNA replication, recombination and repair.Full Answer >
Infectious diseases are infections transmitted by organisms such as viruses, bacteria, parasites or fungi. These organisms live on or in the human body, where some have beneficial roles, while others cause diseases, according to Mayo Clinic. They spread from through direct contact or indirect contact, and typical examples include measles, respiratory illnesses and malaria, notes Healthline.Full Answer >