Body Systems Vocab Flashcards
(19 cards)
The body’s message and control center
Nervous System
The command center, or coordinator, of the nervous system
Brain
Cells that make up the nervous system
Neurons
The brain and the spinal cord
Central nervous system
A long bundle of neurons that sends messages to and from the brain and all parts of the body
Spinal cord
The nerves that connect the central nervous system to all parts of the body
Peripheral nervous system
The group of organs and tissues that carry needed materials to cells and remove their waste products
Circulatory system
Organs and tissues that transport essential materials to body cells and remove their waste products
Cardiovascular system
The muscle that acts as the pump for the circulatory system
Heart
Carry blood away from the heart to various parts of the body
Arteries
Carry blood from all parts of the body back to the heart
Veins
Carry blood to and from almost all body cells and connect arteries and veins
Capillaries
The force of blood pushing against the walls of the blood vessels
Blood pressure
The organs that supply your blood with oxygen
Respiratory system
Two large organs that exchange oxygen and carbon dioxide
Lungs
The upper part of the respiratory system, which contains the vocal cords
Larynx
A passageway in your throat that takes air into and out of your lungs
Trachea
Two passageways that branch from the trachea, one to each lung
Bronchi
A large, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing
Diaphragm
