The physically demanding sport of competitive rowing is the backdrop for this ...
The physically demanding sport of competitive rowing is the backdrop for this case about homeostasis in which students follow the physiological changes that occur in an athlete competing in a 2000-meter race. The case was developed for use in a second-year anatomy and physiology course. It would also be appropriate in exercise and sports science classes.
The purpose of this study was to investigate the allelopathic effects of ...
The purpose of this study was to investigate the allelopathic effects of Achillea santolina L. shoot aqueous extract on dry weight and photosynthetic pigment contents as well as some metabolic and biochemical processes during germination of wheat plant (Triticum aestivum L. Sakha 93).
For students interested in studying biomechanical engineering, especially in the field of ...
For students interested in studying biomechanical engineering, especially in the field of surgery, this lesson serves as an anatomy and physiology primer of the abdominopelvic cavity. Students are introduced to the abdominopelvic cavity—a region of the body that is the focus of laparoscopic surgery—as well as the benefits and drawbacks of laparoscopic surgery. Understanding the abdominopelvic environment and laparoscopic surgery is critical for biomechanical engineers who design laparoscopic surgical tools.
Plants are often subjected to unfavorable environmental conditions – abiotic factors| causing ...
Plants are often subjected to unfavorable environmental conditions – abiotic factors| causing abiotic stresses - that play a major role in determining productivity of crop yields but also the differential distribution of the plants species across different types of environment].
The abomasum is the fourth chamber in the ruminant. It functions similarly ...
The abomasum is the fourth chamber in the ruminant. It functions similarly to the carnivore stomach as it is glandular and digests food chemically, rather than mechanically or by fermentation like the other 3 chambers of the ruminant stomach.
Soilless cultivation is recognized globally for its ability to support efficient and ...
Soilless cultivation is recognized globally for its ability to support efficient and intensive plant production. While production systems vary| most utilize a porous substrate or growing medium for plant provision of water and nutrients. Until relatively recently| the main drivers for the selection of the component materials in growing media were largely based on performance and economic considerations.
Provides acoustical background necessary to understand the role of sound in speech ...
Provides acoustical background necessary to understand the role of sound in speech communication. Analyzes constraints imposed by the properties of sound and human anatomy on speech production (sound production from airflow and filtering by the vocal tract); auditory physiology (transformation of acoustical waves in the air to mechanical vibrations of cochlear structures); and sound perception (spatial hearing, masking, and auditory frequency selectivity). The Acoustics of Speech and Hearing is an H-Level graduate course that reviews the physical processes involved in the production, propagation and reception of human speech. Particular attention is paid to how the acoustics and mechanics of the speech and auditory system define what sounds we are capable of producing and what sounds we can sense. Areas of discussion include: 1. the acoustic cues used in determining the direction of a sound source, 2. the acoustic and mechanical mechanisms involved in speech production and 3. the acoustic and mechanical mechanism used to transduce and analyze sounds in the ear
Active transport is reliant on carrier proteins and thus follows the same ...
Active transport is reliant on carrier proteins and thus follows the same rules as facilitated diffusion in that they are specific have a maximum rate and are subject to competition. Crucially they transport substances against their concentration gradient and so require energy to work.
Students compare and contrast passive and active transport by playing a game ...
Students compare and contrast passive and active transport by playing a game to model this phenomenon. Movement through cell membranes is also modeled, as well as the structure and movement typical of the fluid mosaic model of the cell membrane. Concentration gradient, sizes, shapes and polarity of molecules determine the method of movement through cell membranes. This activity is associated with the Test your Mettle phase of the legacy cycle.
the defining characteristics of the innate immune system| and through more detailed ...
the defining characteristics of the innate immune system| and through more detailed examples| we highlight recent breakthroughs that have advanced our understanding of the role of innate immunity in human health and disease.
The adrenal glands are paired bodies lying cranial to the kidneys within ...
The adrenal glands are paired bodies lying cranial to the kidneys within the retroperitoneal space. The glands consist of two layers; the cortex and medulla.
The adrenal glands are paired bodies lying cranial to the kidneys within ...
The adrenal glands are paired bodies lying cranial to the kidneys within the retroperitoneal space. The glands consist of two layers; the cortex and medulla.
12.491 is a seminar focusing on problems of current interest in geology ...
12.491 is a seminar focusing on problems of current interest in geology and geochemistry. For Fall 2005, the topic is organic geochemistry. Lectures and readings cover recent research in the development and properties of organic matter.
Faba bean (Vicia faba L.) is the main source of plant proteins ...
Faba bean (Vicia faba L.) is the main source of plant proteins in Egypt. This crop is attacked by numerous of pests as mites | Aphids |white fly and leaf hoppers. Unfortunately these pests contribute to transmit viral diseases
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