Answer:
The correct statment would be: "the hormons of the endocrine system exert their action by lock and key mechanism."
Explanation:
The endoncrine system is responsable of the release of hormons under certain conditions, and in different organs, they go trough the bloodstream. The lock and key mechanism is explained as how the receptors block or release hormonos or instead they don´t. The endocrine system is responsable for the reproductive system, and regulates metabolic processes.
Answer:
Neuron
Explanation:
Dopaminergic activity means "working on dopamine", related to dopamine. It increases the level of dopamine in brain in reaction to a stimulus. The adrenaline rush in the blood excites the pleasure received by the cells.
Various brain imaging studies show that an increased dopamine in the neuron when a heterosexual man looks at a picture of attractive women is due to the signals sent into the brain that increases the level of dopamine. It is a reaction of body to pleasure and a comfort received by the neuro-cells. It is also noted when they receive money as it also excites a stimulus reaction in the body. Thus, increasing the level of dopamine in the brain.
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Equality of opportunity is a central value in the American political system. I am going to choose the United States Congress
I consider that US Congress is most responsible for advancing the principle of equality of opportunity in the United States because Congress has the power to create laws and legislation that aims to strengthen the principle of equality.
Let's have in mind that the American founding fathers created the nation based on liberty and equality, and those concepts were an important part of the Declaration of Independence promulgated on July 4, 1776, and of the Constitution created during the Constitutional Convention of Philadelphia in 1787.
American legislators should be committed to creating the kinds of laws that support the principle of equality, instead of spending too much time with lobbyists, negotiating legislation that benefits particular interests or political groups' interests.
US citizens voted for congressmen to represent them and fight for their concerns and demands.
Answer:"And so, my fellow Americans: ask not what your COUNTRY can do for you – ask what you can do for your COUNTRY.
Explanation:In this way the president's was intentionally challenging that people need to do something in their society in order to benefit the public instead of focusing to self and what each individual needs.
This is a call for people to be selfless and stop trying to gain everything for just themselves without thinking about other people and other people's struggles .
It a challenge not to wait for the government to perform so that one can gain but to actual do something that can benefit other people in the society without waiting for the government to do that.
I think this falls under freud's "id" theory
