A. Pulmonary respiration
A.
B. Internal respiration
B.
C. Cellular respiration
C.
D. External respiration
D.
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
"Internal respiration" refers to the process where oxygen moves from the blood into cells and carbon dioxide moves from cells into the blood.