Answer:
Homologous structures can be described as the structures which are similar to one another present in different organisms. These similarities depict that the organisms might have a common ancestor i the past. For example, the forelimb of man, birds, dogs.
Analogous structures can be described as structures in different organisms which perform the same function but might not have a common origin. For example, the wings of bats and birds.
Answer: Well really the digestive, respiratory and circulatory systems all work together to make cellular respiration possible so i guess you could choose a or b
Explanation:
The answer would be True
A is your answer
