Answer:
brand personality :) hope i helped
Explanation:
The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
The pathogen that infects the intestine and is spread through contaminated water or food is the bacteria Vibrio cholerae.
<h3>What do you mean by Pathogens?</h3>
Pathogens may be defined as those microorganisms which are responsible for the causation of various diseases and disorders in animals or humans.
Cholera is a disease that is caused by infection of the intestine with the bacteria Vibrio cholerae. It is an acute diarrheal illness that is sometimes life-threatening. A given species of bacteria produce some toxins in the intestine leading to infections. It may be spread through contaminated water or food.
Therefore, the pathogen that infects the intestine and is spread through contaminated water or food is the bacteria Vibrio cholerae.
To learn more about Pathogens, refer to the link:
brainly.com/question/1008643
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Hey friend.
Let's figure this out.
Muscular Strength includes:
Push-Ups
Pull-Up
Gymnastics
Weight Lifting
When you jump lift, and push items, or any everyday activity, that is muscular strength. Lifting bags of groceries falls into that categories
Hope this helps!.
a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.