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Course: Class 11 Biology (India) > Unit 16
Lesson 2: Circulatory pathways- Open and closed circulatory systems
- How many chambers do animals' hearts have?
- Meet the heart!
- Flow through the heart
- Two circulations in the body
- The heart is a double pump
- Transportation in human beings
- The nodal tissue of the heart
- Lub dub
- ECG
- Cardiac cycle and ECG
- Lymph & lymphatic system
- Why we need a lymphatic system
- The circulatory system review
- Blood vessels and their maintenance
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The nodal tissue of the heart
Let's understand how electrical impulses run through our heart - through the nodal tissues. Created by Khadijatul Qubra.
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- Why does the SA node have the capacity to generate 100 impulses per minute if only 70-75 is needed?(1 vote)