Science
Read the student manual
provided and fill in the blanks. Copy the same into your note book. Submit on
the following day.
1. Blood supplies ________ and ________ to every part of the body. It
also helps in removing ___________ and other waste material of the body.
2. To do this blood has to continuously flow through every part of
the body.
3. The heart works like a pump and pushes blood to every part of the
body.
4. The blood reaches every part of the body with the help of
____________.
5. Heart pumps blood through
blood vessels called ________ and _______.
6. The __________ are red in colour and have thick walls
7. They carry pure ________________
blood from heart to all parts of the body.
8. The ________ blue in colour and have
thin walls.
9. They carry impure ____________ blood from different parts of the
body back to the heart.
10. This
way blood keeps flowing throughout the body. This system in the body is known
as ___________ system.
11.
The
__________ is the largest artery in the body.
12. ___________
is used by the doctors to hear our heart beat.
13.The
heart of an adult beats about 70-80 times a minute.
Hindi
Study Question-Answers of Lesson -2 written in the
notebook for a review on 31.5.16.