Which BEST describes how the human circulatory and respiratory systems interact? A.
The heart removes waste built up in the lungs.
B.
Oxygen enters the bloodstream directly from the nose.
C.
Oxygen is transferred to the bloodstream as blood passes by the lungs.
D.
The heart pumps air into the blood through the lungs.

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h