A secondary source<span> interprets and analyzes </span>primary sources<span>. </span>
Answer: The answer is blood
Explanation:
The blood is the 'fuel' of the circulatory system in that it carries nutrients ranging from
- gases like oxygen by the help of its respiratory pigment, hemoglobin
- rich food substances like glucose, amino acids to various cells of the body
- antibodies and hormones that provide defence against invaders
Thus, the blood is the nutritive fluid of the circulatory system
Answer:
The annelids (Annelids, from Latin anellus, "little ring"), also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches.
Explanation:
Rank: Phylum
Organism classification: Leech
Displayed higher classification: Animal
Production of offspring be the organism.