<span>The esophagus runs behind the windpipe (trachea) and heart</span>
<span>The repolarization of cardiac muscle is due to closure of calcium (Ca) channels and potassium (K) exiting the cell when additional voltage gated K channels open.
Due to these changes within the heart, repolarization has to happen. This process refers to returning the cardiac muscle to its resting state, and the opposite process is depolarization.
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Answer:
A
Explanation:
In its best form, a free market economy will determine a price by supply and demand.
Local governments can't determine anything unless it is a local commodity or product which will not be used anywhere else. Even then, the government is interfering with supply and demand.
National government -- same answer as local government. Any government interference does not result in a free market economy.
There are not enough wealthy citizens around to influence many markets.
Your best answer is A
Answer:
Fossil fuels produce large quantities of carbon dioxide when burned. Carbon emissions trap heat in the atmosphere and lead to climate change
Explanation:
Answer:
A) a physiological desire to consume food is the correct answer.
Explanation:
- Hunger is a feeling that the person needs food to eat.
- Hunger makes the body weak and vulnerable to infections because the body does not get adequate food to fight against the infections and due to hunger people suffer from malnutrition and if children remain hungry they often have abnormal in their growth.
- hunger is caused because of poverty, job instability, food shortages, poor infrastructure, nutritional quality.
- Symptoms of hunger are:
- Feeling of growling and emptiness in the stomach.
- Dizziness
- Gurgling in stomach
- not able to concentration
- headache
- irritability
- nausea
