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Chapter 23 Vocab
Stormy Sonneborn
21
Science
8th Grade
10/30/2013

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Term

 

 

Cardiovascular System

Definition

A collection of organs that transport blood to and from your body's cells; the organs in this system include the heart, the arteries, and the veins.

Term

 


Blood

Definition

A connective tissue made up of platelets, white bloode cells, red blood cells, and plasma.

Term

 

 

Arteries

Definition

Blood vessles that carry blood away from the heart

Term

 


Capillaries

Definition

The smallest blood vessles

Term

 


Veins

Definition

Blood vessles that direct blood to the heart

Term

Pulmonary Circulation

Definition

The circulation of blood between the heart and lungs

Term

 

Systemic Circulation

Definition

The circulation of blood between the heart and the body (excluing the lungs)

Term

 

Blood Presure

Definition

The amount of force extended by blood on the inside wallsof a blood vessle

Term

 

Lymphatic System

Definition

A collection of organs that controll extracellular fluid and returns it ot the blood; the orfans in the system include the lymph nodes and lymphatic vessles

Term

 

Lymph

Definition

The fluid and particals into lymph capillaries

Term

 

Lymph Nodes

Definition

Small, bean-shaped organs that conntain small fibers that work like nets to remove particlas from the lymph

Term

 

Thymus

Definition

A lymph organ that produces lymphocytes

Term

 

Spleen

Definition

An organ that filters blood and produces lymphocytes

Term

 

Tonsils

Definition

Small masses of soft tissue located at the back of the nasal cavity, on the inside of the throat, and the back of the toung

Term

 

Respiration

Definition

The exchange of gases between living cells and their environment; includes breathing and cellular respiration

Term

 

Repiratoy System

Definition

A collection of organs whose primary function is ti take in oxygen and expel carbon dioxide; the organs of this system include the lungs, the throat, and the 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 air passageway from the larynx to the lungs

Term

 

Bronchi

Definition

The two tubes that connect the lung with the trachea

Term

 

Alveoli

Definition

Tiny sacs that form the bronchiole branches of the lungs

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