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

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring