(Q).
Q: Oxygenated blood is transported by what system? Choices: - skeletal - nervous - pulmonary - circulatory A:
(A).
circulatory

(Q).
Q: The average length of a woman's menstrual cycle is what? Choices: - 19 days - 16 days - 5 days - 28 days A:
(A).
28 days

(Q).
Q: Two species that share what cannot coexist in a community? Choices: - color - mood - language - same niche A:
(A).
same niche