★ Energy, Hydrology, Microbiology Quiz
Why are estuaries important?
A. They hold all of the drinkable water for a geographic area
B. Most fish complete at least a part of their life cycle here
C. They are rare
D. They are only important in equatorial regions.
Select your answer:
Topics:
Balanced Diet Physical Pharmacy Skeletal System Histology, Bone Repair Joints Circulatory System and Nutrition Who am Eye? Proteins The Cell Health - Nutrition Diseases AEMT EMS Systems Muscular System Gaseous Exchange in Humans A Treat For Mosquitoes Cell Cycle Problems Muscle SystemOther quiz:
The Skeletal System › ViewWhich term best describes the joints at the top of your skull?
A. Motionless
B. Flexible
C. Rubbery
D. Elastic
Anatomy and Physiology Skeletal System › View
If blood calcium levels drop below 8.5 mg/dL which hormone(s) is likely to be activated?
A. parathyroid hormone
B. calcitriol
C. calcitonin
D. estrogen
E. both calcitriol and parathyroid hormone