Which of the following is an example of how the respiratory system interacts with the circulatory system to excrete waste?
2 answers:
We do not use carbon dioxide to fuel our blood cells. It is a waste."A" is the correct answer.
The answer is A, because the veins carry oxygen depleted blood away from body parts; hence the color blue.
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Im just guessing so i think its a
Answer:
Frogs have smooth or slimy skin that is moist, whereas toads have thicker, bumpy skin that is usually dry. All toads are poisonous, while frogs are not.
Sunlight - it is the only thing that is not living in the list.
Answer:
It is c.
Explanation:
Answer:
its a alteration i would go with B
Explanation:
