Answer:
B. atrioventricular (AV) valve
Explanation:
The function of the conduction system of the heart is to spread the electric signal and make the heart contract in coordinated timing. Conduction starts at SA node, then the AV node then will spread by bundle branches.
The atrioventricular valve is not part of the conduction system. The valve function is to keep the blood flow back. If the valve is broken and blood did flow back, it can make the heart need to do more work than usual.
When food reaches the small intestine, bile is released from the pancreas. false
While food moves through the small intestine, three organs that are not part of the alimentary canal help the digestion process: The liver makes bile, which helps the body absorb fat. It's located in the top right of the belly. The gallbladder stores bile until it is needed
What happens when the <u>food reaches the stomach</u>?
After food enters your stomach, the stomach muscles mix the food and liquid with digestive juices
To know more about bile here
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Answer:
Mitochondria are organelles whose membranes are specialized for aerobic respiration. The matrix of the mitochondria is the site of Krebs Cycle reactions. The electron transport chain and most ATP synthesis rely on the compartments created by the inner membrane of the mitochondria.
