Depending on who you are writing to, then you change your voice in the article.
ex:
to a friend: hey man
to a teacher: Hello, Mr./Mrs./Ms. _____
et.al
1. External respiration exchanges gases between bloodstream and lungs
2. Internal respiration exchanges gases between bloodstream and body tissue.
3. Air vibrating in vocal cords causes sound
4. Olfaction.
<span>The answer is b. activity limitation. Lucas has a muscular disorder, therefore, his muscles are probably weak and he cannot control them. The activities of his muscles are limited and this is the main reason he cannot play sports that require accurate muscle control.</span>
Hi there!
An egg typically lives for five days after its release from the ovary. This is because the egg is waiting for a sperm to fertilize it.
Hope this helps!! :)
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