Body

In medical terms, the body refers to the entire physical structure of an organism, typically a human being. It is composed of numerous biological systems that work together to maintain life, growth, and the ability to reproduce. These systems include the cardiovascular system for circulating blood, the respiratory system for oxygen exchange, the nervous system for sensory and control functions, the musculoskeletal system for movement and structure, the digestive system for nutrient absorption, the endocrine system for hormone regulation, the urinary system for waste elimination, the immune system for fighting off pathogens, and the integumentary system that includes skin, hair, and nails that serve as a barrier and aid in temperature regulation.

At a more granular level, the body is made up of various tissues that form organs, each with specific functions. Tissues like muscle, connective, epithelial, and nervous tissue operate in concert within organs such as the heart, liver, kidneys, and brain. On a microscopic scale, these tissues are composed of a vast array of cells, the basic units of life, which contain genetic material and organelles that perform various cellular functions. Understanding the complex interplay between these systems, organs, and tissues is essential in diagnosing, treating, and preventing medical conditions.

Popular Now on Health

Health A-Z

A B C D E F G H I J K L M N O P R S T U V W Y Z

Food Calories

Dairy and Egg Products
284
Spices and Herbs
64
Baby Foods
367
Fats and Oils
220
Poultry Products
389
Soups, Sauces, and Gravies
465
Sausages and Luncheon Meats
170
Breakfast Cereals
356
Snacks
177
Fruits and Fruit Juices
360
Pork Products
341
Vegetables and Vegetable Products
836
Nut and Seed Products
137
Beef Products
961
Beverages
371
Finfish and Shellfish Products
265
Legumes and Legume Products
381
Lamb, Veal, and Game Products
464
Baked Products
879
Sweets
360
Cereal Grains and Pasta
181
Fast Foods
363
Meals, Entrees, and Side Dishes
125
American Indian/Alaska Native Foods
165
Restaurant Foods
109