Introduction to Blood Types There are four major types of blood: A, B, AB, and O. What blood type you have depends on the antigens present on your red cells and the antibodies in your plasma; more on that later. Blood type is hereditary and...
Introduction to the Circulatory System Although the heart plays one of the biggest roles in the circulatory system, the rest of the system is also very important as it is what transports blood to and from the heart to keep the body alive. Blood is...
Blood
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It’s made of two separate circuits and the blood passes through the heart twice. The pulmonary circuit carries blood to the lungs where carbon dioxide is removed from the blood, and oxygen is taken up by the haemoglobin in the red blood cells and then...
We have three different muscle contractions with exercising and they are concentric in which the muscle shortens, eccentric in which the muscle lengthens and isometric which you are in a fixed position. When you think of a bicep curl you are having eccentric movement as...
Anaemia or anemia is a condition in which, oxygen of blood is reduced due to low hematocrit or low blood hemoglobin concentrations. Usually, blood has lower than normal number of red blood cells. Anemia appear when there are not enough red cells in the body,...
The word homeostasis come from the ancient Greek, and it’s the union of the two words homeo and stasis. Homois means “similar”, and stasis means “staying still”, which gives the idea of “staying the same”. The human body consists of millions of cells working together...
The skin is the largest organ in the body. It protects the body against physical injuries, temperature regulation, sunlight, infection, stores water, fat, and plays a key role in metabolism including vitamin D, among other functions. The skin consists of three main layers, epidermis (upper...
The Digestive System The digestive system is a group of organs that work together to convert food into energy that the cells in the body can use. The process of digestion starts in the mouth when you chew your food, and the teeth break it...
The term anesthesia originates from two Greek words: “an,” meaning without, and “aesthesis,” meaning sensation. Anesthesia plays a crucial role in modern medicine, enabling a vast array of surgical procedures and childbirth to be conducted with minimal pain and discomfort. The evolution of anesthesia and...
Insulin is a hormone secreted by the gland called pancreas with the help of insulin, glucose in the human body is broken down into energy and water, in case of excess glucose, it converts into fat and stored in the body. Insulin helps to maintain...
In the ABO blood group system, the red blood cells in humans have molecular differences from individual to individual. The differences are systematic and can be characterized according to a system of four different hereditary types; A, B, AB and O. These types together form...
The bench press is an upper body strength training exercise that consists of pressing a weight upwards from a supine position. The exercise works the pectoralis major as well as supporting chest, arm, and shoulder muscles such as the anterior deltoids, serratus anterior, coracobrachialis, scapulae...
For people who suffer from a skin condition such as athlete’s foot, there is nothing more frustrating than to see the ugly remnants of the infection on the skin not to mention the itchiness and foul odor it brings. Characterized by itching and burning sensation...
“Tinea pedis” or popularly known as athlete’s foot is a common a fungal infection of the skin of the foot—normally found between the toes—caused by parasitic fungi called “trichophyton”. This skin condition is considered common to people ages 15 and above. Although some symptoms may...
Working memory is a part of the human memory system with a limited capacity. Working Memory’s job is holding temporarily information for processing. Working memory refers to information storage without manipulation. About working memory’s capacity is generally considered as a limited capacity. Miller in 1956...
Trying to get a perfect, vibrant skin seems like a series of never-ending battles against wrinkles, acne, large pores, dry patches, and dark circles. And because our skin suffers from various issues, having a healthy-looking skin seems close to impossible. We get it, you feel...
When it comes to becoming young adult there can be several ways in which a person can develop, whether it be social and personality. With early adulthood there comes decisions with such development, it’s the time in one’s life where they make choices for themselves....
It’s no secret that vaccines are one of the most effective forms of disease prevention that humankind has devised. The body’s immune system is already an amazing and intricate protection, but in a world of such rapidly evolving and emerging pathogens, vaccines help support and...
The immune system is the bodies strongest defense against serious illnesses, yet it cannot prevent every serious issue. Even the healthiest of individuals can contract a serious or even fatal non-communicable condition such as cancer and fibromyalgia just to name a few. The immune system...