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12 terms

Apologia General Science (Sonlight) Module 14

Vocabulary from the Sonlight IG
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Veins
Blood vessels that carry blood back to the heart
Arteries
Blood vessels that carry blood away from the heart
Capillaries
Tiny, thin-walled blood vessels that allow the exchange of gasses and nutrients between the blood and cells and are located between arteries and veins
Red Blood Cells
Transport oxygen from the lungs to the tissues
Hemoglobin
A protein in the blood that gives blood its red color
White Blood cells
Responsible for protecting the body from agents of disease in the bloodstream
Bronchial tubes
Tubes in the lungs that carry air
Bronchioles
At the end of the bronchial tubes
Alveoli
Little sacs at the end of bronchioles where most of the "action" takes place
Larynx
Often called the "voice box". Contains the vocal chords.
Xylem
Tube in a plant that transports water up from the roots to the rest of the parts of the plant
Phloem
Tubes in a plant that are responsible for carrying food from the leaves to the rest of the plant