Topic: Body Transport System Subtopic: The Pulse
What is happening to heart?
Answer: If we put our hand over the chest, we can feel the beats produced by the heart. This is not due to the blood pressure passing through the vessels, but it is due to the contraction and relaxation, or pumping action of the heart.
- What causes make asthma worse?
- What are some major causes of asthma?
- What is anemia?
- How are small molecules transported?
- Why is iron important?
- How can cold prevented?