Answer:
virus
Explanation:
viruses are the smallest type of pathogen
Those two are the muscular system and the excretory system because you use your muscles to push up and down and your excretory system produces the sweat you use while doing them
Answer:
yes
Explanation:
because a healthcare taker is supposed to make sure that the patient is feeling well and gets all of their medical stuff done
There are three kinds of blood vessels: arteries, veins, and capillaries. Each of these plays a very specific role in the circulation process. Arteries carry oxygenated blood away from the heart. They're tough on the outside but they contain a smooth interior layer of epithelial cells that allows blood to flow easily.
