Body Systems Flashcards
The circulatory system sometimes called cardiovascular system,
It’s main function is to move the blood witch transport substances like oxygen and nutrients throughout the body
The respiratory system
Brings oxygen into the body and gets rid of carbon dioxide
Consist of the nose, throat, trachea, windpipe, and the lungs its function is to take oxygen from the air into the body when we inhale and get rid of waste in the form of carbon dioxide when we exhale 
The digestive system
Consist of the mouth, esophagus stomach, small intestine, large intestine its function is to breakdown food into nutrients which are used for cell processes, including the production of energy and gets rid of digestive waste
The nervous system
Consist of the brain, spinal cord and nerves. Its function is receive processes and transmits information controlling body activity.
The brain 
The brain has three main parts, the cerebrum which controls function, such as thinking, seeing and speaking the the brain stem, which controls breathing and heart rate information is transmitted to, and from the brain to the nerves, which are bundled into spinal cords and branches out from their into all parts of the body
Saliva
Digestion begins in the mouth where the teeth grind food into smaller pieces, and saliva begins to break it down chemically food is pushed by muscular action down through the esophagus into the stomach, where it churned and further broken down by the enzymes and stomach acid