![kameahtravis](/avatars/39021.jpg)
kameahtravis
29.08.2019 •
Biology
What is the correct flow of depolarization in the heart?
a. av node, purkinje fibers, bundle of his, sa node
b. sa node, purkinje fibers,
c. sa node, av node, bundle of his, purkinje fibers
d. av node, sa node, purkinje fibers, bundle of his
Solved
Show answers
More tips
- F Family and Home How to Choose Suitable Windows for Your Home?...
- C Computers and Internet Why is Yandex s robot Bless.yandex.ru Important?...
- F Food and Cooking Fresh and Easy Lemonade in 10 Minutes...
- S Sport How to wrap boxing hand wraps? Everything you need to know!...
- F Family and Home How to Sew Curtain Tapes: Best Tips from Professionals...
- A Animals and plants How to Grow Lime from a Seed: Simple Tips and Interesting Facts...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
Answers on questions: Biology
- B Business Which skills do educators need for scheduling school projects?...
- E English From the way lilia’s parents treat mr. pirzada, you can infer that they...
- S Social Studies Ethical beliefs vary widely from culture to culture. a. true b. false...
- H History What was another name for the Roosevelt Corollary to Monroe Doctrine?...
Ответ:
The correct answer is option c.
Explanation:
Cardiac conduction system is formed by specialized cardiac muscle cells which enable the heart to contract in coordinated fashion.
The main component of this system are:
Sinoatrial nodeAtrioventricular nodeBundle of HisBranched bundlePunkinje fibersSA node consists of cells known as pacemaker cells. These cells spontaneously generate action potentials which lead to the contraction of atria.
These potentials are then passed to AV node which relay them to bundle of His. These bundles are branched into right and left bundle which ultimately transfer these potentials to Purkinje fibers.
The potentials from these fibers lead to the contraction of ventricles.
Ответ:
The Bird exhibit
Explanation: edg 2020 correct answer ;)