. Copy and complete the sentences using these words ( some may be used twice)
Oxygen, body tissues. , left lungs, carbon dioxide, veins. Deoxygenated , right. Oxygen*
The right side of the mammalian heart pumps blood to the _____ . Here it absorbs ______ and is now called ____ blood.
The gas _____ is removed from the blood in the lungs. The blood returns to the _____ side of the heart and from here it is pumped to the ______ where it gives up its ____ and is now called _____ blood. It passes back to the _____ side of the heart in ____
[8marks]
2. Explain what is meant by the term single Circulation and double circulation. [4marks]
3. Write at least 4 key points / statements about the mammalian heart. [8marks]