Answer:
When we exercise the blood capillaries dilate because of the removal of waste products like carbon dioxide from muscles during exercise.
The dilated blood vessels results in the increased blood flow and increased blood flow leads to the delivering of more amount of oxygen to the body muscles and cells during the exercise.
So increased blood flow is necessary for the removal of waste products like carbon dioxide and lactic acid generated during exercise and to deliver the appropriate amount of oxygen to muscles to function properly.
Answer:
A tolerance occurs when you need to use larger amounts of drugs or alcohol to achieve the same effects as when you started. Photo of Dr. Ashish Bhatt ... By the time a person realizes they have a problem, drugs or alcohol ... They may experience withdrawal symptoms if they stop using the drug altogether.
Explanation:
Answer:
When a person inhales or comes in direct contact with a pet’s fur, dander, or saliva. The immune system which protects us you from infections, produces a protein, called antibodies, to fight off the foreign bodies. Sometimes, our immune system overreacts to certain substances like animal's fur or feather causing allergic reactions.
Explanation:
Answer:
between-subjects design
Explanation:
According to my research on different experimental designs, I can say that based on the information provided within the question the best way to make sure that the internal validity will not be influenced by an outside event is to switch to a between-subjects design. This type of design is an experiment design that has two or more groups of subjects each being tested by a different testing factor simultaneously. Since they are done simultaneously it significantly reduces outside influence.
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