Category: Body

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 or outer layer), dermis (lower or inner layer) and subcutaneous…

There are four main types of tissue: muscle, epithelial, connective and nervous. Each is made of specialized cells that are grouped together according to structure and function. Muscle tissue varies with function and location in the body. In mammals, the three types are: skeletal or striated muscle; smooth or non-striated muscle; and cardiac muscle, which…

Hypothermia is a life threatening condition that may result in death. A drop in the core body temperature of less than 95 degrees F (35 degrees C). this temperature is below what is required for normal metabolism and bodily function. The normal body temperature is between 97.7 and 99.5 degree Fahrenheit (F) which is the…

In body building, your diet is one of the most effective weapons you can have if you want to achieve maximum potential. Diet is so important to the body builder as it not only supplies the body with the energy needed to perform your exercises as well as giving you the nutrients you need to…

Table of contents Abstract Introduction Water Function(s) Water and Weight Loss Water and Quitting Smoking Water Deficiency Water Toxicity Implications for Health Promotion and Disease Prevention Conclusions References Abstract How much water we really need depends on water functions and the mechanisms of daily water balance regulation. The aim of this review is to describe…

Oxygen is inhaled into alveoli and is passed into the capillaries and carbon dioxide is passed from the capillaries into the alveoli to be exhaled. The second step is called the internal respiration where the exchange of gases in the cells take place. Oxygen is passed through the bloodstream into the tissues back into the…

The neck is the part of the spine that connects a person’s head to the rest of the body. The neck consists of the esophagus, larynx, and part of the trachea. In addition, it is made up of major blood vessels, muscles, and tendons and the cervical bones of the spine. The neck has a…

The Gastrointestinal (GI) system is a series of hollow organs joined in a long twisting tube from the mouth to the anus called the Gastrointestinal Tract (GI tract). The hollow organs that makeup the GI system are the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. The liver, pancreas and gallbladder are the…

The endocrine system is a network of glands that produce hormones to promote the body’s homeostasis. The glands that make up the endocrine system are the hypothalamus, pineal, pituitary, thyroid, parathyroid, thymus, adrenals, pancreas, ovaries, and testes. The pituitary gland is divided into two parts which are the adenohypophysis and the neurohypophysis and connected to…

The sport of body building has grown steadily in popularity over the years. From its heyday in the 1970’s to now, technological advances as well as nutritional advances have made body building a sport that focuses on the art of the human body and what is possible when it is pushed. Body building is more…