The digestive system breaks down food into nutrients such as carbohydrates, fats and proteins. They can then be...
The kidneys are highly vascular (contain a lot of blood vessels) and are divided into three main regions: the renal cortex (outer region which ...
The human eye is an organ that reacts to light in many circumstances. As a conscious sense organ, the human eye allows vision; rod and cone cells ...
The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, ...
The heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower...
Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe, ....
The human ear, like that of other mammals, contains sense organs that serve two quite different functions: that of hearing ...
The lymphatic system is a network of tissues, vessels and organs that work together to move a colorless, watery fluid called lymph back into ...
A cell is the smallest living thing in the human organism, and all living structures in the human body are made of cells. There are hundreds...
Neurons (also called neurones or nerve cells) are the fundamental units of the brain and nervous system, the cells responsible for receiving ...
Dental anatomy examines the structures that make up the teeth of a human being. Those studying dental anatomy will learn the classification...
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate ...
(REE-proh-DUK-tiv SIS-tem) The tissues, glands, and organs involved in producing offspring (children). In women, the reproductive system ...
Your nervous system is your body’s command center. Originating from your brain, it controls your movements, thoughts and automatic ...
The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm, and on top of the stomach, right kidney, and intestines. ...
The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system. The brain consists of the cerebrum, ....
The circulatory system (cardiovascular system) pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest....
The skeletal system is your body's central framework. It consists of bones and connective tissue, including cartilage, tendons, and ligaments. It's also called the musculoskeletal system....
Seafood includes fish (like tuna or cod) and shellfish (like lobster or clams). Even though they both fall into the category of 'seafood,' fish and shellfish are biologically different. .....
Animal biotechnology is a branch of biotechnology in which molecular biology techniques are used to genetically engineer (i.e. modify the genome of) animals in order to improve their suitability....