Search Results for: low-pressure
Turgor pressure
In biology, turgor pressure definition pertains to the pressure that is exerted by the fluid (e.g. water) against the cell... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Filtration
Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
Hypotonic solution
Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More
Hyperosmotic
Hyperosmotic Definition The word Hyperosmotic is derived from two Greek words: 'hyper', meaning “excess” and 'osmos',... Read More
Balanced diet
What is a balanced diet? What is the definition of a balanced diet? A nutritionally balanced diet fulfills all nutritional... Read More
Plasmolysis
Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More
Kidneys and Regulation of Water and Inorganic Ions
Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More
Growth and Plant Hormones
Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More
Regulation of Organic Metabolism, Growth and Energy Balance
Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More
Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use
IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More
Movement of Molecules Across Cell Membranes
Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More
Consciousness and Behavior
States of Consciousness Defined either by (1) behavior - ranging from attentive and alert to coma and (2) electrical... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Plant Water Regulation
A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More
SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)
Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004) Introduction: It has been... Read More
Transudate
Definition noun, plural: transudates A fluid passing through a mebrane, a pore, or an interstice, and accumulating in... Read More
Physiological adaptation
If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More
Smooth muscle
The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More
Hyaline cartilage
Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Extremophile
Definition noun, plural: extremophiles An organism adapted to live and thrive in an environment with extreme conditions such... Read More
Capillary fragility test
Definition noun A tourniquet test that is used to determine vitamin C (ascorbic acid) deficiency or thrombocytopenia... Read More
Permeability
Permeability Definition What is permeability? In earth science, its definition is this: "the ability of any material such... Read More
Facilitated diffusion
Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More
Carbohydrate
Carbohydrate Definition A biomolecule refers to any molecule that is produced by living organisms. As such, most of them... Read More