In which part of the human respiratory system does actual oxygen exchange take place?

a.
bronchi

b.
trachea

c.
diaphragm

d.
alveoli

Which is the best way to handle your own grief after a loss? which is the best way to handle your own grief after a loss? avoid your friends for a while. stop thinking about the person who died. avoid crying in front of others. allow yourself time to grieve.

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

Exercise equipment compensates for acting irresponsibly are disregarding the rules of physical activity