cells & tissues
What is the strong, flexible tissue that keeps the trachea open?
cartilage
Which organs in your chest take in oxygen and remove carbon dioxide?
lungs
What is the process of breathing in called?
inhalation/inhale
What is the process that uses oxygen to release energy from food?
aerobic respiration
What is the gas we breathe in that is needed for respiration?
oxygen
What are the tiny hairs that move mucus and dirt out of the lungs?
cilia
What are the smaller tubes that connect the bronchi to the air sacs?
bronchioles
What is the process of swapping oxygen and carbon dioxide between the lungs and blood?
gas exchange
What is a way to show a chemical reaction using symbols, words or formulas?
chemical equation
What are the new substances made in a chemical reaction called?
products
What are the small air sacs in the lungs where gas exchange takes place ?
alveoli
What are the two tubes that branch from the trachea into each lung?
bronchi / bronchus
What is the waste gas we breathe out?
carbon dioxide
What do you call the starting materials in a chemical reaction?
reactants
What are the bones that protect the chest and help with breathing?
ribs
What are the muscles between the ribs that help with breathing?
intercostal muscles
What is the name of the tube that carries air to and from the lungs?
trachea
What is the movement of air in and out of the lungs called?
ventilation
What is the type of sugar used in respiration that gives cells energy?
glucose
What is the tiny blood vessel where substances pass in and out of the blood?
capillary
What do you call a cell with cilia that helps keep the airways clean?
ciliated epithelial cell
What muscle under the lungs helps move air in and out of the lungs?
diaphragm
What is the movement of particles from an area of high to an area of low concentration called?
diffusion
What are the parts of a cell where energy is made?
mitochondria
What is the cell that carries oxygen around the body?
red blood cell