B. the flu vaccine
It is the flu vaccine because flu vaccines can be produced to protect people from the flu virus.
Answer:
respiratory system fills the blood with oxygen and gets rid of the carbon dioxide while the cardiovascular system umps the oxygen rich blood all over the body (short answer)
Explanation:
the respiratory system aids in the supply of oxygen to the blood and the exit of carbon dioxide. when the heart takes in blood that is short of oxygen and full of carbon dioxide, the pulmonary arteries pumps the blood to the lungs, who then fill the low oxygen blood with oxygen and transport the carbon dioxide out of the lungs. this oxygen rich blood, which now has a rich amount of hemoglobin, is transported to the heart which is pumped or circulated it to the entire body. (long answer)
hope this helps !!
Answer: The answer is inferior ovary
Explanation:
Whenever the other components of a flower such as petals and seals are placed in a position ABOVE the ovary i.e ovary is buried in the receptacle of the flower; such is called an INFERIOR OVARY
