Q: The remainder is transferred by contraction of what before the ventricles begin to contract? Choices: - the arteries - the stomach - the large intestine - the atria A:
the atria

(Question)
Q: About 20 percent of carbon dioxide is bound by hemoglobin and is transported where? Choices: - brain tissues - intestines - bones - lungs A:
(Answer)
lungs

Ques: Q: Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart? Choices: - one - six - two - four A:
Ans: four

(Q).
Q: What is the major cause of disease in agricultural crops? Choices: - bacteria - drought - pollution - fungi A:
(A).
fungi

Ques:Q: What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation? Choices: - olivary tubules - integumentary tubules - intestinal tubules - malpighian tubules A:

Ans:malpighian tubules

Ques:Q: Glucocorticoids and mineralocorticoids are the two main types of what in humans? Choices: - carotenoids - metabolites - hormones - corticosteroids A:

Ans:
corticosteroids