REDO!! Carbon dioxide is carried by blood to the lungs through . [FREE BRAINLIEST] A. capillaries
B. the heart
C. veins
D. arteries

A. capillaries

Explanation:

A. capillaries

Explanation:

Capillaries are small, thin blood vessels that connect the arteries and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

well, i believe that the answer is 2. : 3