Answer:
Herd immunity is a form of indirect protection from infectious disease that can occur with some diseases when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.
Explanation:
Vaccines create immunity without causing illness or resulting complications. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.
Answer:
A fast increase in blood sugar causes a rapid increase in insulin, which is the hormone responsible for allowing glucose to enter cells. High insulin levels cause glucose levels to quickly fall, which can then cause you to feel hungry again, prompting you to take in more calories.
Explanation:
B. is the answer because the nervous system send nerves down your body telling your hand to move its a reaction to the pain of the hotness your felling
Answer:
Major circulation or systemic circulation
Explanation:
It is the process when our heart expulses blood of a chamber called left ventricle and moves to aortic artery and then the blood goes to arterioles and capillaries supplying the oxygen and nutrients that every cell in our body needs.
