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Chap 23 vocab
Luke Emmert
21
Science
8th Grade
10/30/2013

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Term
cardiovascular system
Definition

transports materials to and from your cells.

(cardio-heart)

(vascular-vessel)

Term
blood
Definition
connective tissue made up of two types of cells, cell parts, and plasma.
Term
arteries
Definition
blood vessels thatdirect blood away from the heart.
Term
capillaries
Definition
smallest blood vessels in your body.
Term
veins
Definition
blood vessels that direct the blood back to the heart
Term
pulmonary circulation
Definition
circulation of blood between heart and lungs.
Term
systemic circulation
Definition
circulation between heart and rest of body.
Term
blood pressure
Definition
force exerted by blood on the inside walls of a blood vessel
Term
lymphatic system
Definition
collects excess fluid and returns it to body's system
Term
lymph
Definition
fluid and particles absorbed into lymph capillaries
Term
lymph nodes
Definition
small, bean-shaped organs where particles, such as pathogens or dead cells, are removed from the lymph.
Term
thymus
Definition
releases WBCs
Term
spleen
Definition
filters blood and releases WBCs
Term
tonsils
Definition
small masses of soft tissue located at the back of the nasal cavity, on the inside of the throat, and at the back of the tongue.
Term
respiration
Definition
the entire process by which a body obtains and uses oxygen and gets rid of cabon dioxide and water
Term
respiratory system
Definition
consists of lungs, throat, and passageways that lead to the lungs.
Term

pharynx

 

Definition
the upper portion of the throat
Term
larynx
Definition
the area of the throat that contains the vocal cords
Term
trachea
Definition
the trachea is the passageway for air traveling from the larynx to the lungs.
Term
bronchi
Definition
the two tubes that connect the lungs to the trachea.
Term
alveoli
Definition
tiny sacs that form the bronciole branches of the lungs.
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