The circulatory system is also known as the ____________ system.
cardiovascular
The circulatory system provides a pathway for _____ to carry materials throughout the body.
blood
Blood brings ________, ________ and other necessary materials to the body cells and carries _______ ________ away.
Blood brings oxygen, nutrients and other necessary materials to the body cells and carries waste products away.
Blood also helps regulate _______ and _______.
body temperature and water balance
Heart
Central organ that pumps blood throughout the body
The two chnmbers of each side of the heart are the ______ and the _____.
atrium and the ventricle
Atrium
recieves blood entering the heart
Ventricle
pumps blood from the heart to the rest of the body
The _______________ between the atria and the ventricles are responsible for the sound of your heartbeat.
closing of valves
The right side of the heart pumps blood to ______________. This pathway is called __________ circulation.
The right side of the heart pumps blood to the lungs. This pathway is called pulmonary circulation.
The left side of the heart pumps blood to ______________. This pathway is called __________ circulation. This pathway also pumps blood ________________.
The left side of the heart pumps blood to the rest of the body. This pathway is called systematic circulation. This pathway also pumps blood back to the heart.
Pathway of Blood from all parts of body towards heart:
A. Right Atrium
B. Right Ventricle
C. Lungs
D. Left Ventricle (left side of heart)
E. Farthest points of body
F. Right side of heart
When blood reaches the right ventricle it is low in _________ and high in ________________.
low in oxygen
high in carbon dioxide
Carbon dioxide is a _______________ produced by the body's cells.
waste product
The average resting heartbeat of an adult is between __ and __ beats per minute.
70 and 80 beats per minute
Target Heart Rate?
123-164
The heartbeat picks up when a person exercises due to the body's need for more _______ and ________.
oxygen and nutrients
The Pacemaker
Cells in the wall of the atrium that help regulate the rate at which our hear beats
Arteries
the vessels that carry blood away from the heart
Blood travels from the right ventricle to the lungs through the ______________________.