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the special protein in your red blood cells
Hemoglobin
the tiny blood vessels in your body called that connect arteries and veins
Capillaries
known as the windpipe
Trachea
the air that you breathe in through your nose
Inspired air
the air that you breathe out from your lungs
Expired air
the process of moving air into and out of the lungs
Breathing
a flexible, connective tissue found in various parts of the body.
Cartilage
the primary source of energy for the cells
Glucose
the special liquid called that turns cloudy when you blow air with carbon dioxide into it
Limewater
long, curved bones, which surrounds and protects organs
Ribs
group of organs that work together to break down food
digestive system
the tiny air sacs in your lungs called that help you breathe by taking in oxygen and getting rid of carbon dioxide
Alveoli
type of flexible connective tissue found in various parts of the body
Cartilage
the process called when things like oxygen move from where there is a lot of it to where there is less
Diffusion
biological process by which living organisms convert oxygen and glucose into energy
Respiration
a tube-like structure in the neck and chest that connects the larynx to the bronchi of the lungs.
trachea
macronutrients that provide energy to the body
Carbohydrates
thin-walled branch of the bronchial tubes in the lungs
Bronchiole
powerhouse of the cell because its function is to produce energy
Mitochondrion
a group of organs that work together to support breathing, exchanging oxygen and carbon dioxide between the body and the environment.
Respiratory system
a tiny, balloon-like structure located at the end of the bronchioles in the lungs
air sac
small, thin-walled tube in the lungs that branches off from the larger bronchi.
Bronchiole
organ located in the neck, involved in breathing, voice production, and protecting the trachea during swallowing.
larynx or voice box
process by which muscles shorten or tighten.
Contract
a metabolic process in which cells use oxygen to convert glucose
Aerobic respiration