Answer in one word/a few words.System that helps in the transportation of nutrients
Answer in one word/a few words.Heart is located in the ________ cavity between the two _________.
Answer in one word/a few words.While pumping blood, the heart makes rhythmic movement which is called the ____________.
Answer in one word/a few words._________ helps in maintaining the temperature of the body.
Answer in one word/a few words.___________ are extremely thin-walled.