What contributions to understanding the cardiovascular system did each of the following people make?
- a. William Harvey
- b. Otto Frank and Ernest Starling
- c. Marcello Malpighi
a.
To explain: The contribution made by William Harvey in understanding the cardiovascular system.
Introduction: Cardiovascular system is the system that makes the blood flow through the body. It is responsible for transferring materials from part of the body to the other through the blood. The cardiovascular system is one of the important systems of any living system.
Explanation of Solution
William Harvey contributed greatly towards the understanding of the cardiovascular system and the flow of blood through the body. Harvey studied the anatomical route of blood flow in the body to understand that the blood is re-circulated through that route rather than flowing out and consumed by the tissues of the body.
Studies conducted by William Harvey also showed that there is a one-way flow of blood through the body. This one directional flow is due to the valves in the heart and veins. He observed that the blood after circulating through the body flows back into the heart. Along with this, another important observation made by Harvey includes the blood flowing to the lungs from the right side of the heart before going to the left side.
William Harvey contributed greatly towards the understanding of the cardiovascular system by finding the one-directional flow of the blood through the heart and the blood vessels.
b.
To determine: The contribution made by Otto Frank and Ernest Starling in understanding the cardiovascular system.
Introduction: A cardiovascular system includes one of the most important organs of a living organism, the heart. During the past many centuries, the heart and the related organs have been constantly studied by different scientists to understand their structure and functioning.
Explanation of Solution
Otto Frank was a German physiologist who discovered the relationship between the force and the stretch in the intact heart. A British physiologist, Ernest Starling, further expanded his work. During his work, he observed that all the blood that returned to the heart was pumped back by it in the absence of any nervous or hormonal control.
Relationship between the additional blood flow and pumping of the heart was established by “Frank-Starling law of the heart.” This law states that there is a more forceful contraction in heart to eject more blood in case there is additional blood flow to the heart.
Otto Frank and Ernest Starling contributed towards the understanding of the cardiovascular system by establishing the relation between the additional blood flow and the pumping of the heart.
c.
To determine: The contribution made by Marcello Malpighi in understanding the cardiovascular system
Introduction: The cardiovascular system is the system that is responsible for the transfer of oxygen and other materials from one part of the body to the other. Many scientists and biologists have contributed greatly to understand different functions of the heart and the cardiovascular system as a whole.
Explanation of Solution
Marcello Malpighi was an Italian anatomist who worked on different domains of biology. He also contributed to understanding the cardiovascular system. During the middle of the 17th century, Malpighi expanded the understanding of the cardiovascular system and exchange of materials between the blood and interstitial fluid through the cardiovascular system. Marcello Malpighi discovered very thin blood vessels, called capillaries. The discovery of the capillaries changes the understanding of the cardiovascular system and transfer of materials between the blood and the cells.
Marcello Malpighi discovered the capillaries where the exchange of material between the blood and the cells takes place.
Want to see more full solutions like this?
Chapter 14 Solutions
Human Physiology: An Integrated Approach (8th Edition)
- Selection of Traits What adaptations do scavengers have for locating and feeding on prey? What adaptations do predators have for capturing and consuming prey?arrow_forwardCompetition Between Species What natural processes limit populations from growing too large? What are some resources organisms can compete over in their natural habitat?arrow_forwardSpecies Interactions Explain how predators, prey and scavengers interact. Explain whether predators and scavengers are necessary or beneficial for an ecosystem.arrow_forward
- magine that you are conducting research on fruit type and seed dispersal. You submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document. Describe two characteristics that you would expect in seeds that are dispersed by the wind. Contrast this with what you would expect for seeds that are gathered, buried or eaten by animals, and explain why they are different. (Editor’s note: Providing this information in your discussion will help readers to consider the significance of the research).arrow_forwardWhat is the difference between Uniporters, Symporters and Antiporters? Which of these are examples of active transport?arrow_forwardWhat are coupled transporters?arrow_forward
- How do histamine and prostaglandins help in the mobilization of leukocytes to an injury site? What are chemotactic factors? How do they affect inflammation process?arrow_forwardCompare and contrast neutrophils and macrophages. Describe two ways they are different and two ways they are similar.arrow_forwardDescribe the effects of three cytokines (not involved in the initial inflammation response). What cells release them?arrow_forward
- Comprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage LearningMedical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
- Case Studies In Health Information ManagementBiologyISBN:9781337676908Author:SCHNERINGPublisher:Cengage