Q: Lymph vessels, like veins, have what objects that prevent the backflow of fluid? Choices: - pumps - pores - fibers - valves A:
valves

(Question)
Q: What is the study of heredity called? Choices: - geriatrics - heretics - pediatrics - genetics A:
(Answer)
genetics

Ques: Q: Is the digestive tract of many sharks longer or shorter than many other vertebrates? Choices: - heavier - longer - narrower - shorter A:
Ans: shorter

(Q).
Q: What gland is located in the neck, where it wraps around the trachea? Choices: - adrenal gland - salivary gland - pituitary gland - thyroid gland A:
(A).
thyroid gland

Ques:Q: Polyester fabric's resistance to wrinkling comes from the cross-linking of what? Choices: - algae strands - velocity strands - wool strands - polymer strands A:

Ans:polymer strands

Ques:Q: Potassium, calcium, and magnesium are considered what kind of nutrients? Choices: - micronutrients - minor nutrients - major nutrients - macronutrients A:

Ans:
macronutrients