Answer:
Blood vessels in the heart dilate to increase blood pressure.
<em>Hope this helps!!!</em>
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Answer: Coastal areas have moderate temperature because the land absorbs and radiates heat much faster than sea. So, during the day cool air from sea rush towards the land and during night cool air from the land rush towards sea
The earth's tilt of 23.5 degrees to it's axis as it revolves around the sun causes seasons; summer, spring, winter and autumn. This is due to the orientation of the earth with respect to the sun that cause variations in how to sun rays 'strike' the earth. Consequently, there are variations in temperatures across the earth, over its complete revolution, causing seasons my brotha, Hope this helps!
Answer:
Part A: Influenza virus
Part B: Influenza is a public health issue because it is one of the leading cause of death all over the world. Proper vaccination against the illness can prevent death and other serious illness due to this virus.
Part C: serious illness and death, mainly among children and elderly
Part D: Efforts are underway to create a cheap and effective vaccine against this virus. The National Vaccine Program Office is responsible for coordinating and ensuring collaboration among federal agencies involved in vaccine and immunization activities.
Part E: A vaccine against this virus will prevent people from facing the effects of this virus. Also, compulsorily vaccinations against this virus will ensure a major reduction in deaths caused by it.
Find the attachment for the answer.
Note: I have added the complete question in the attachment.
