Function of heart ventricles
By: Lakeccrunner
The heart is the muscle that controls the flow of blood to all other regions of the body and is one of the most vital components of the human body. Anatomically, the heart consists of four chambers, the upper right and left atria and the...
The process of digestion in the oral cavity
By: Caroline St Clare
Everything we eat and drink undergoes a series of complex processes all working seamlessly together, breaking down food so we can properly absorb the nutrients it contains. While the intestines is where the majority of digestion takes place, it is inside the oral cavity, or...
Function and importance of the auditory cortex
By: Rose Mueni
The auditory cortex is defined as “the part of the brain that process sensory information in the form of sound”. It has the important function of processing and understanding different sounds. This means that it identifies, classifies and gives meaning to the different sounds...
The phenomenon of episodic memory
By: Alicia M Prater PhD
Episodic memory is the phenomenon of being able to recall experiences in the past. Some have descriptively dubbed it “mental time travel”. Episodic memory is different from all other memory systems because it takes place in the past, built by the what, when, and...
How the circulatory system works
By: Dr. Bryan Katz
The terms 'circulatory system' and 'cardiovascular system' are often used interchangeably. Although the heart and blood vessels (the cardiovasculature) comprise the core components of the circulatory system, we'll see that several other organs (in particular the lungs, liver, kidneys, and adrenal glands) play vital roles...
Differences between the male and female pelvis
By: Chris Danilo
Differences in male and female physiology and structure have a long evolutionary past. As modern science has theorized of our “Hunter and Gatherer” ancestors, a few contemporary facts have surfaced as evidence for our explanations. Essentially, since men were the perceived “Hunters” they...
Functions of lipids in the human body
By: Dr. Bryan Katz
Lipids serve three main functions in the human body: first, as an energetically cheap way to store metabolic fuel for long periods of time; second, as the main structural component of cell membranes; and third, as the precursor of steroid hormones and other molecules involved...
An overview of muscles in the neck
By: Alicia M Prater PhD
The neck muscles are responsible for head movement, head posture, swallowing (pharyngeal) and speaking (laryngeal), and are even integrated with jaw movement. They are supported by the cervical vertebrae, collarbone (also known as the clavicle), and sternum, giving the muscles of the neck multiple roles...
Anatomy and physiology of the cervical spine
By: Alicia M Prater PhD
The cervical spine consists of the first seven vertebrae of the spine (C1-C7), starting at the base of the skull. This part of the spine provides support for the head, holding it above the shoulders via the neck, as well as providing the ability to...
Functions of the respiratory system
By: Jennifer Boyd
If you did not have a respiratory system, you would not be able to live without being hooked up to machines to do it for you. The respiratory system contains airways and lungs that are linked to blood vessels, and then there are the muscles...

 

1 77 78 79 80 81 94