The pre-teen years occur during the juvenile <span>stage, from 9 to 11 years of age.</span>
Answer:
SA Node
Inter-nodal Pathways
AV Node
AV Bundle
Bundle Branches
Purkinje Fibers
The SA nodes functions first for setting pace for the heart, then the inter-nodal pathway make link b/w SA and AV node. AV node is site of delay when contraction of atria occurs. AV bundle is the mean of electrical link b/w atria and ventricle. The conveying of impulse to the inter-ventricular septum occurs through bundle branches, while conveying of impulse throughout and along the walls of ventricle occurs through Purkinje fibers.
The answer is a “rises because it is less dense than cold air”
photosynthesis as a whole takes place in the organelle called chloroplast but light reaction takes place in the chloroplast stroma
