. 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]
Answers: 1
Biology, 22.06.2019 05:00
What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals
Answers: 1
Biology, 22.06.2019 17:00
The part of the eye that closes and opens to let light in is .
Answers: 2
Biology, 22.06.2019 19:00
1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?
Answers: 2
. Copy and complete the sentences using these words ( some may be used twice)
Oxygen, body tis...
Business, 19.01.2021 18:50
Biology, 19.01.2021 18:50
Chemistry, 19.01.2021 18:50
Biology, 19.01.2021 18:50
Mathematics, 19.01.2021 18:50
Computers and Technology, 19.01.2021 18:50
Mathematics, 19.01.2021 18:50
Mathematics, 19.01.2021 18:50
Mathematics, 19.01.2021 18:50
Mathematics, 19.01.2021 18:50
Health, 19.01.2021 18:50