Please help with these questions, will rate. Thank you Question 42 2 pt Which of

Question

Please help with these questions, will rate. Thank you
Question 42 2 pt Which of the following describes a closed circulatory system? 0 Nutrients diffuse from gastrovascular cavity into the tissues and waste diffuses in the opposite direction 0 Nutrients and waste diffuse in and from the pseudocoelom O Hemolymph moves from the heart into the tisues and cavities and then drains back into the main cavity 0 Blood moves from the heart into arteries and into smaller vessels and then back into larger vessels as it makes its way back to the heart

Explanation / Answer

42) 4th option is right : Blood moves from the heart into arteries and into small vessels and then back into larger vessels as it makes its way back to heart. (Blood is not free into cavity)

43) 2nd option is correct: multiple infolding of respiratory surfaces ,such as lamelle in gills and alveoliin lungs.

44) 5th option is right: Vertebrates has closed circulatory system.

45) 4th option is correct: It dissolves as bicarbonate ion H2CO3 decreasing the pH of the blood (more acidic).

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