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Summary

Summary The heart and the circulatory system

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15 pages
2022/2023 Written for academic year
Institution 9th Grade
Course Life Sciences
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Preview 2 out of 15 pages

This document provides an in depth summary of the heart and circulatory system.With labelled diagrams and highlighted points on each topic, with well explained definitions and a clean finish to each section that helps students understand the work more effectively. Students that battle with biology these are the notes for you.

Content preview

Heart
4 chambers
1 left t right atria
thin muscular walls
recieve blood entering the heart
2 left t right ventricle
thick muscular walls to pump blood
through body
only birds mammals have hearts with
2 separate pumps
left atrium recieves oxygenated
blood from lungs
left ventricle pumps it out in the
aorta to body
brain
muscles
liver
deoxygenated blood goes from organs
to largeto veins the vena cava
empties right atrium
systematic circulation

right ventricle pumps deoxygenated
blood out in the pulmonary artery
to lungs
blood get Oz releases coz
oxygenated blood returns to pulmonary
veins empty into left atrium
pulmonary circulation

, heart made of cardiac muscles
contract relax no stopping
a to do this muscle need cottizoo Oz
muscles outside of heart supplied to
need own supply muscles by
blood
4 coronary arteries




Palimony

Document information

Schooljaar
200
Uploaded on
July 8, 2024
Number of pages
15
Written in
2022/2023
Type
Summary
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