The role of the placenta in fetal circulation
By: JRR
During pregnancy the fetal circulatory system works differently than it does after birth. The fetus is connected by the umbilical cord to the placenta. The placenta is an organ that develops and implants in the mothers uterus to provide oxygen and nutrients to the...
An overview of pulmonary circulation
By: Effie Moore Salem
The pulmonary circulation is a closed system within the body. It works opposite from the artieries and veins. Our first thoughts are oh no, that cannot be so, arteries carry only fresh oxygenated blood and veins are the passageways of blood devoid of most...
Hormone production in the human body
By: Jacqueline Pfaff
Hormones play a crucial role in maintaining homeostasis. They interact with the nervous system to coordinate cellular metabolism. The majority of hormones are produced by endocrine glands. Endocrine glands are categorized into three groups; amino acid based, steroids, and eicosanoids. Amino acid based hormones include...
Why you should donate your body parts
By: Tricia Psarreas Murray
When dealing with health, many people would agree that one's physical condition is strongly influenced by the decisions we make. This is true in many ways. If we choose to partake in risky behaviors such as smoking and drinking, we know there could be...
The skeletal system
By: Jeannette Payne
The normal human skeleton has 206 bones. Each of them are classified according to their shape and size, and each having their own purpose. The skeletal system as a whole has several of its own responsibilities. Probably the most obvious of these, is its...
By: Robby Powell
Biostasticians: What do they do?A Biostatistician is a person who is knowledgeable about mathematics and applies this knowledge to biological systems. They are knowledgeable in various mathematical techniques, and know how to use computer software to perform their work. They are vital parts of...
Reasons why oxygen is so important to the blood and cells
By: Allen Teal
Oxygen enters our body as a gas with two oxygen atoms attached to each other to make one molecule of oxygen. It exits the body as either two oxygen attached to a carbon atom as carbon dioxide or as one oxygen atom bonded to...
Euthanasia can be Positive if Controlled
By: Cameron Foster
The Constitution writers would have scarcely fathomed the concept of assisted suicide; we must appreciate the Christian and church-dominated context of society at that time. But our founding document provides for life, liberty, and the pursuit of happiness without respect to religious beliefs. If a...
Euthanasia Matter of Choice Choice between Life and Death
By: Gaurav Mahendru
Life is precious, Life is sacred. That is what we are taught when we are young and that is what we are told when we grow old. Teachers and Preachers, both continue to harp on the value of life, the word sacrosanct is another word...
Medical Technology: Living to 100 and beyond
By: Rick Badman
There are various ways a person will be able to live beyond 100, 200, or maybe even 1000 thanks to medical trechnology in the future. Eating and drinking the right things for the body and even not eating can help people live to be...

 

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