Question

order the topics from broadest to narrowest. broader the effects of a high - fat diet on the human heart the effects of a high - fat diet on the aortic valve the effects of a high - fat diet on the human body the effects of a high - fat diet on the cardiovascular system narrower

Explanation:

The human body is the most inclusive term. The cardiovascular system is part of the human body. The human heart is an organ in the cardiovascular system. The aortic valve is a part of the heart. So we order based on this hierarchical relationship.

Answer:

1. the effects of a high - fat diet on the human body
2. the effects of a high - fat diet on the cardiovascular system
3. the effects of a high - fat diet on the human heart
4. the effects of a high - fat diet on the aortic valve