Rest & Run
consists of inhaling and exhaling
breathing
The process of taking in oxygen and getting rid of carbon dioxide
breathing
the system of all the organs that function together to enable a person to breathe
respiratory system
where air goes after passing through the trachea
bronchial tubes (fluids in the bronchi clean dust from the air)
a body fluid that moves materials throughout the body
blood
also called a pulse
heartbeat
the exchange of gases between the body and air
respiration
The nose, sinus, throat, and voice box are part of the _______ respiratory system.
upper
the final, smallest tubes that air moves into
bronchioles
the process of moving blood throughout parts of the body
circulation
-the rate at which your heart beats (# of times in a minute)
-a detectable surge in pressure as blood moves through an artery
pulse
colorless, odorless gas necessary for almost all life
oxygen
The trachea, lungs, and diaphragm are part of the _______ respiratory system.
lower
tiny sacs at the end of each bronchiole where air in the lungs and blood exchange gases
alveoli
There are about 600 million alveoli in the lungs!
the organ system that moves blood throughout the body
circulatory system
refers to things related to life
vital
a gas the body that gives off as waste
carbon dioxide
The _____ protect the lungs from injury.
ribs
Name 2 factors that can affect breathing:
-activity level
-elevation
-air temperature
-humidity
the muscular organ that pumps blood though the circulatory system
heart
Name 3 factors that affect pulse:
-temperature
-humidity
-emotions
-frequent exercise
The more active you are, pulse and respiration go ___.
up
sneezing, runny nose, sore throat, cough
Name 2 factors that affect air quality:
*Pollutant particles can get into lungs and block and the tiniest air passages. Irritation can cause fluids in the air passages to build up and limit the flow of air.
-chemicals
-exhaust
-smoke & ash from fires
BONUS: Name 2 signs of poor breathing:
tubelike structure in the body through which blood flows
blood vessel