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.
More food means a larger population. More population means a larger workforce for factories.
The correct answer is <span>social stratification.
Social </span><span>stratification refers to the ranking of people in society on a hierarchical basis, based on factors such as power, prestige and wealth. Through the system of social stratification, some members of society at the top of the hierarchy are considered as having a higher status and more privilege compared to those who rank lower on the hierarchy. </span>
Answer:
it's integumentary system
Explanation:
hope this helps :)
