NERVOUS SYSTEM
The nervous system sends messages between the _______ and the rest of the body.
BRAIN
The cardiovascular system is made up of blood, blood vessels, and the ________.
HEART
What is the more common name for the trachea?
WINDPIPE
The root word "neur" or "neuro" means _____?
NERVE
The nervous system is the body's _______ _______.
CONTROL CENTER
The cardiovascular system can circulate all the body’s blood in about _________ seconds.
60 seconds (one minute)
Humans breathe in this gas.
OXYGEN
The root word "cardio" means ______?
HEART
What are like tiny wires that carry signals quickly so your body can react to things around you?
NERVES
Which blood vessels carry oxygen-rich blood away from the heart under high pressure?
ARTERIES
Humans breath out this gas.
CARBON DIOXIDE
The root word "hema" "hemo" or "hemato" means ______?
BLOOD
What is another name for the the central nervous system?
BRAIN and SPINAL CORD
Which blood vessels return low-oxygen blood back to the heart more slowly?
VEINS
If too much carbon dioxide builds up in the body, it can become _________.
TOXIC
LUNG
What are the 3 main types of neurons?
MOTOR, SENSORY, AND INTERNEURONS
What are tiny vessels that reach deep into tissues so each cell can receive oxygen and nutrients and release waste?
CAPILLARIES
The tiny areas where the pulmonary gas exchange occurs are called ______.
ALVEOLI
BLOOD VESSEL