Search Results for: waves
Peristalsis
What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More
Electromagnetic radiation
Definition noun The radiation that consists of associated, interacting electric and magnetic field waves traveling at the... Read More
Undulatory
undulatory moving in the manner of undulations, or waves; resembling the motion of waves, which successively rise or swell... Read More
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... 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
Electromagnetic spectrum
Definition noun The spectrum of all types of electromagnetic radiation Supplement The electromagnetic spectrum includes... Read More
Light-dependent reaction
Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More
Mātauranga Māori and Science
By: Maria Victoria Gonzaga In the previous lesson, we learned about the various methods used in measuring... Read More
Running Water Freshwater Communities
Running water freshwater communities are also known as lotic communities, lotic meaning running water. Lotic communities are... Read More
Thalassophobia
Among many psychological and psychiatric disorders, one is the fear of the ocean and the fear of deep water, which in... Read More
Agonal rhythm
Agonal Rhythm Definition Agonal rhythm is the slow, irregular heart rhythm (electrical activity of the heart), particularly... Read More
Peritoneum
What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More
Macrophytes
Introduction Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More
Scattering
scattering (Science: radiobiology) The deflection of one particle as a result of collisions with other particles or with... Read More
Wavelength
wavelength (Science: radiobiology) The length of a single cycle of a wave, usually measured from crest-to-crest. For... Read More
Absorption
Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More
Kelp Forest
Definition noun, The most biologically productive habitat found in the cold rich nutrient marine ecosystem. Supplement The... Read More
Radiodensity
Definition noun The state or quality of being radiodense, i.e. dense to X-rays or other radiation Supplement In radiography,... Read More
Internal acoustic meatus
Definition noun A short, narrow passageway through the temporal bone of the skull where the vestibular nerve and cochlear... Read More
Crown of head
Crown of Head Definition The crown of the head is the upper dorsal part (or area) of the head. Several creatures have... Read More
Ultrasound
ultrasound (Science: investigation) A type of imaging technique which uses high-frequency sound waves. This is highly... Read More
Skeletal system
What is the Skeletal System? How to define a skeleton? The skeletal system is the main framework that gives your body its... Read More
Decremental conduction
Definition noun The impaired conduction in a portion of a fiber due to progressively lessening response of the unexcited... Read More
Internal auditory canal
Definition noun A short, narrow passageway through the temporal bone of the skull where the vestibular nerve and cochlear... Read More
Conduction
Conduction (Science: physics, physiology) The transfer of sound waves, heat, nervous impulses or electricity. Origin: L.... Read More
Teletactor
teletactor An instrument to transmit sound waves to the skin. Origin: G. Telos, end, - L. Tactus,... Read More
Digestive Enzymes
Have you ever thought about what happens to the food after you have taken it into your mouth? How those big steak pieces... Read More