Answer: First Question.
A. PARASYMPATHETIC BRANCH
Second Question (Question 3)
D. THE MOLECULAR GATES OPEN TO ALLOW SODIUM IONS INTO THE NEURON
Explanation:
PARASYMPATHETIC BRANCH
The Parasympathetic Nervous which at times is referred to as the "rest and digest" system is one of 3 divisions in the Autonomic Nervous System.
It conserves energy as it slows the heart and increases intestinal and gland activity. It essentially takes over when one relaxes from an exciting ordeal.
ACTION POTENTIAL
During an Action Potential, a part of the neural membrane/ molecular gates open up to allow positively charged ions inside the cell and negative ones out.
With sodium being a positive ion, channels open up and positive sodium cells surge into the cell in preparation for an electrical signal being sent down the axon once a threshold has been reached.
The ignition safety switch lanyard can be used to operator from being the victim of a propeller strike if fall overboard.
<h3>What is ignition safety?</h3>
ignition safety serves as a safety tools that can be used to save an operator from experiencing a propeller strike.
This safety tool is used put in place, so that incase of emergency, it will be easier to safe the life of the operator.
Learn more about ignition safety at;
brainly.com/question/25870707
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<span>Bronzino's complex allegory Venus, Cupid, Folly, and Time offers up such an iconographic puzzle that there is little doubt that he intended to leave the viewer with a sense of ambiguity. The identities of the people in the picture still have not been universally agreed upon and the odd figures all have hidden moral meanings. These two factors make deciding what the pictures intent was difficult to decipher and it may vary from person to person.</span>
Chromosomes are the rod-shaped portion of DNA