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Summary Grade 10 Life Sciences- Transportation in mammals

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A detailed summary of how the blood, organs and vein work together to keep the circulatory system functional. Including the functions of the lymphatic drainage system.

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TRANSPORTATION
IN MAMMALS
Grade 10


Compiled by the All Things Biology team. Copyright ©.

, TRANSPORTATION IN MAMMALS
In humans, the circulatory system serves as the primary internal support network.
It delivers essential oxygen and nutrients to tissues while systematically removing
metabolic waste products like carbon dioxide.

COMPONENTS OF THE CIRCULATORY SYSTEM




Blood
Heart
vessels



Blood



Figure 1: The circulatory system in humans has three components (heart, blood
vessels and blood).

1. HEART

• The heart has four chambers to prevent
oxygenated & deoxygenated blood from
mixing (separated by a septum).

• Atria (left and right): Left atrium receives
oxygenated blood from lungs via Pulmonary
veins. Right atrium receives deoxygenated
blood from the body via Superior Vena Vaca.



• Ventricle (left and right): Left ventricle (thick
muscular wall) has enough force to pump
blood into the entire body via Aorta. Right
ventricle pumps deoxygenated blood to lungs
via Pulmonary artery.




Compiled by the All Things Biology team. Copyright ©.

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Schooljaar
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Uploaded on
September 26, 2026
Number of pages
7
Written in
2026/2027
Type
Summary
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