Question

Group 2:
1. In the lungs, carbon dioxide is replaced with
2.
carry blood from the heart to the other parts of the body.
3. Blood transports oxygen and
to all parts of the body.
4. The circulatory system consists of heart, arteries and
Group 3:
1. There are 2 types of blood vessels: arteries and
2. The heart is divided into
chambers.
3. Blood carries carbon dioxide to the
4. The circulatory system pumps
throughout our body.
Group 4:​

Answer 1

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

Answer 2

carbon dioxide is replaced