In this video we have an introduction to the blood circulatory system.
Resources:
The Answer Series Life Sciences Grade 10
Fouché, H. & Sterrenberg, L. 2013. The Answer Series: Life Sciences Grade 10. Cape Town. Pages: 2.28, 2.29
Images references:
Snail circulatory system: www.mesa.edu.au/molluscs/mollu...
Heart position diagram: www.ypo.education/heart/heart...
Heart external diagram: quizlet.com/245539319/human-h...
Heart Internal diagram oxygenated and deoxygenated: www.sciencesfp.com/the-anatom...
Body expo blood vessel system: annayork.ning.com/m/blogpost?...
Heart valves: www.heartfoundation.org.nz/yo...
Pulmonary circulatory system: / 34902965840312209
Alveoli: slideplayer.com/slide/10309820/