Chapter 3 Flashcards
(4 cards)
What is the respiratory system?
The respiratory system absorbs oxygen and gets rid of carbon dioxide.
What is the circulatory system?
The circulatory system distributes blood containing oxygen and nutrients.
What are kidneys?
Kidneys get rid of waste and regulate the amount of water in the body.
What is the nervous system?
The nervous system transmits messages throughout the body: sensory neurons send messages to the brain, motor neurons carry messages from the brain to muscles. The nervous system and endocrine system regulate what goes on inside the body.