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 is sequence of mineral and water transport?
- Where do gases enter and leave plant?
- What happens if excess juice is secreted in stomach?
- Why does constipation occur?
- What is vascular bundle?
- What are properties of vessels?