Question at position 5 How many chambers do the hearts of most Amphibians have?1234

Question

Question at position 5 How many chambers do the hearts of most Amphibians have?1234

BlackTom AI · Accepted Answer

When considering the question, we examine the cardiac anatomy characteristic of amphibians.
Option 1: '1' would imply a single-chambered heart. This is not consistent with amphibian physiology, which generally involves multiple chambers to separate blood flow, albeit not completely.
Option 2: '2' suggests a two-chambered heart. While some fish have two chambers, amphibians typically possess more complexity in their heart structure, making this option inaccurate for most amphibians.
Option 3: '3' reflects a three-chambered heart, consisting of two atria and one ventricle. This configuration is classic for most amphibians and aligns with their partially divided atrioventricular pathway and partial separation of oxygenated and deoxygenated blood, supporting amphibian physiology.
Option 4: '4' would indicate a four-chambered heart. Four chambers are characteristic of birds and mammals, where complete separation of oxygenated and deoxygenated blood occurs. Amphibians do not usually have this full septation, so this option is incorrect for most species.

Thus, evaluating the structures and circulatory demands of amphibians, the three-chamber arrangement stands as the standard for most: two atria with a single ventricle, enabling some separation of blood while not achieving full systemic/pulmonary division.

Question at position 5 How many chambers do the hearts of most Amphibians have?1234

查看解析

登录即可查看完整答案

类似问题

位置22的问题 Reptiles have a three chambered hearta. True b. False

What is the name for the two upper chambers of the heart that collect blood before passing it to the lower chambers?

Blood passes through the tricuspid valve into the __________. (Name the heart chamber.)

Which letter marks a chamber that receives low-oxygen blood from the body?

Birds have 3-chambered hearts, with no exception.

The inferior vena cava delivers deoxygenated blood to which chamber of the heart?

Identify the bond angle and molecular shape of H2O.

Using Dalton's Atomic theory, explain the following observation. Hint: DO NOT answer with a law! The mass of the products at the end of the reaction was the same as the mass of the reactants at the beginning.

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单