Which of these is the correct order through which oxygen enters the body?

a. lungs, bronchi, bronchioles, alveoli, blood

b. bronchi, lungs, bronchioles, alveoli, blood

c. lungs, bronchi, bronchioles, blood, alveoli

d. blood, alveoli, lungs, bronchi, bronchioles

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d