Essays About Human Body

Definition of Digestive System We can say that the digestive system is a process which involves a number of organs that helps us to digest our food and absorb the nutrition from it. It starts from our mouth and it ends at the anus. It...

The digestive system breaks down food by mechanical and chemical process. The digestive system is made up of the gastrointestinal tract. The gastrointestinal tract is the pathway from the mouth to the anus. This is where nutrients and energy from food and fluids are reabsorbed,...

In America, a balanced dinner typically includes ordering pizza from your local pizza shop, chips that have been on the store shelf for too long, a carbonated drink, and lastly, a wonderful chocolate dessert such as brownies or chocolate chips. Although this may taste very...

Visual displays are bombarding us daily. On a drive down almost any road, there are billboards many of which are electronic. Computers are used in many jobs. Much of the population owns a smartphone. Televisions are blaring even in the gym. And the advent of...

It’s an unfortunate and unavoidable truth as we age, our mind will in general become vaguer. Old people work hard, especially with working memory. A thing called the workbench of the mind, working memory empowers us to save profitable chunks of information for a few...

Case Study A 19-year-old African-American female, hereafter referred to as “AP”, presents to her primary care physician with fatigue, fever, and right upper quadrant (RUQ) abdominal pain for 3 days. AP has a significant medical history of sickle cell anemia (SCA). AP also complains of...

Cystic fibrosis (CF) is a genetic, recessive disorder which affects the lungs and the liver. CF develops when there is a mutation in the gene because it’s autosomal recessive it means you would have inherited two copies of the CFTR gene, one from each parent....

Abstract Pain is a physiological response that our body uses to alarm us of any dangerous stimuli, but it has been found that pain goes beyond just a physiological response. Studies have provided inconclusive findings on the environmental factors at play in the development of...

In the developing and developed countries science has become an indispensable factor affecting people’s physical fitness, especially the fermentation in food. Some scientists believe that fermentation will be an “excellent assistant” for each individual’s digestive system, such as improving digestive health, boosting the immune system...

Enzymes are biological molecules that are responsible for several metabolic processes that break down certain chemicals in the body. They help to convert the reactant into the product by speeding up the reaction. After the breakdown of food, the enzymes in the body will convert...

Through the process of natural selection, the life on our planet evolved. Natural selection dictated that in order for us, as living organisms, to survive, we had to adapt and coexist. In today’s world six different kingdoms of life are living together. In many cases,...

Lung cancer is the leading cause of cancer mortality. Presently, various cytologic diagnostic techniques are being used in the evaluation of suspected lung neoplasms. Though the initial diagnosis of malignancy can be made based on clinico-radiological grounds, but the definitive diagnosis needs cytological or histopathological...

Often, people question what really happens to them, and their bodies in the midst of their sleep. More importantly, many are also very curious to know more about their dreams and what they are. To be specific, dreams are a series of thoughts, images, and...

There are many things in our universe that we don’t understand. Baffling mysteries that just don’t seem to make sense. Where did the universe come from? Was it a big bang like many believe or was it something else. Does God really exist, or is...

The goal of this essay is to try and decipher how habits form in the brain, why they stick, and why we cannot shake bad habits even though we consciously know that they are detrimental. This is achieved by studying the formation of habits in...

“The use of CPR dates all the way back to 1740, most Americans don’t know how to perform it.” CPR is a miraculous technique that if given properly and immediately to sudden cardiac arrest victims the more likely people’s lives would be saved. It is...

Heart disease is a group of conditions that influence parts of the heart functions. There are four conditions for heart disease Coronary artery, heart attack, Congenital heart disease. Heart attack starts when blood that is supplied to the heart starts to slow down because of...

Urinary Incontinence (UI) is defined as accidently leaking of urine at an inappropriate time and in an inappropriate place and is associated with reduced quality of life for older adults. It is common in aging women and it is not surprising to consider that UI...

The immune system aims to protect the body against many diseases by identifying and eliminating pathogens and cancer cells. Its identifying varieties of infectious pathogens: viruses, bacteria, fungi, protozoa and parasitic worms. It has an ability to recognise the healthy cells and tissues of the...