Answer:
NopE
Explanation:
Although you can't feel it, there is much more going on in your body than you think. Stuff gets messed up, and it's just not good. Over time, perhaps, your lungs will get better, but just don't okay?
9 speak loudly
13 fight or flight
14 eustress
16 ptsd
21 bullying
24 minor burn
28 nicotine
32 F
35 T
36 T
50 F
not sure about some sorry, I don't want u to get those wrong
Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
<span>In vitro fertilizatio In vitro fertilization
is a fertility treatment in which sperm and eggs are combined in a
laboratory. The resulting embryos are assessed for quality, and one or
more are placed in the uterus through the cervix.</span>