AP BIOLOGY

PLANTS

TRANSPORT IN PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following do not take part in conduction?
A
Tracheids
B
Vessels
C
Sieve tubes
D
Fibres
Explanation: 

Detailed explanation-1: -The coronary sinus is not part of the heart’s conduction system. The coronary sinus is a vein in the coronary circulation that drains blood from the cardiac veins and empties directly into the right atrium.

Detailed explanation-2: -The main parts of the system are the SA node, AV node, bundle of HIS, bundle branches, and Purkinje fibers.

Detailed explanation-3: -The correct answer is (D) Coronary sinus. Cardiac conduction originates at the SA node and travels across the atria via internodal pathways.

There is 1 question to complete.