Label the internal structures of the frog's heart.

Q: Describe how the heartbeat is controlled

A: Sympathetic nervous system which includes the ‘fight and flight responses’ release neurotransmitter…

Q: Identify the structural components of the human heart

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: What is the advantage of four chambered of heart?

A: The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the…

Q: How many chambered heart does fish have?

A: Circulatory system is the system, that helps in the circulation of substances through body fluids.…

Q: Draw the interior view of the heart?

A:

Q: In a essay detail how the heart contract on both the cellular and organ level.

A: The contraction of heart takes place as the upper chambers of the heart contract. An impulse is sent…

Q: Trace the flow of blood through a mammalian heart, naming the four chambers and their valves, and…

A: The heart is the most important organ in the body. It is made up of several different types of…

Q: vessels enter and leave the heart,  #17 is the opening where the______ enter and transport blood…

A: The arteries, arterioles, veins, venules and capillaries are the blood vessels forming the…

Q: Describe the actions of the frog heart chambers during a cardiac cycle.

A: The heart is a muscular pumping organ that passes deoxygenated blood to the pulmonary organ and…

Q: Describe the structure of pigeon's heart?

A: The birds have a high rate of metabolism and well regulated body temperature. They have an efficient…

Q: external and internal regions of the heart.

A: Heart: It is a muscular organ located in the chest which pumps blood throughout the body. It is…

Q: The English physiologist William Harvey made all of the following circulatory discoveries except:…

A: Harvey demonstrated that blood flow through the veins is unidirectional, with valves to prevent…

Q: Distinguish between arterioles and venules observed in the vessels in the web of the frog’s foot?

A: The blood vessels create a closed system of tubes that carry the blood from and to the heart, lung,…

Q: Detail S1 and S2 heart sounds. Include in your answer what valve closure and heart activity causes…

A: Heart sounds are noises created from the cardiovascular circulation (blood flow through the chambers…

Q: Which of the following is incorrect regarding the heart and its associated membranes? O visceral…

A: Circulatory system- It is a system that is responsible for circulating the blood all over the body…

Q: Analyze the steps of heart contraction. Be able to identify what valves are open/closed during the…

A: Heart is a vital organ of the cardiovascular system.  The heart is made up of cardiac cells that…

Q: Why would a fourth chamber heart be evolutionarily advantageous to an animal?

A: Introduction:-  Birds and mammals, on the other hand, have a four-chambered heart with a fully…

Q: Describe two advantages of a 4-chambered heart.

A: In higher level organisms the heart is made up of 4 chambers.

Q: Invertebrates, like Daphnia do not have a well-developed circulatory system. What features are…

A: Daphnia planktonic crustaceans are the species of the Phyllopoda, which is characterized by a…

Q: What makes the lub and dub of the heart?

A: The cardiac cycle explains the cardiac event that occurs during the contraction and relaxation of…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.