Select your answer:
Topics:
Gaseous Exchange in Humans Eye or Nose Injuries Biopsychology - Neuroplasticity and Functional Recovery Inheritance Human Circulatory System Environmental Biotechnology Therapeutic Services Roots Bacteria and Viruses Your Body Pathogens, Disease and Immunity Organ Senses and Locomotor System Reproductive System Vocabulary Mutations, Replication, and Cancer Homeotic Genes and Cancer Skin GrowthOther quiz:
Genetics › ViewWhich one of the following shows continuous variation?
A. Blood group
B. Height
C. Male or female
D. Tongue rolling
Anatomy and Physiology Skeletal System › View
Which hormone increases calcium and phosphate ion absorption by the instestines?
A. estrogen
B. calcitonin
C. parathyroid hormone
D. both calcitriol and parathyroid hormone
E. calcitriol