Regulates the amount of light entering the eye and gives the eye its color.
A. Iris
B. Lens
C. Pupil
D. Retina
Select your answer:
Topics:
HCMA - Hematology The Teeth Disease, Illness and Sickness The Respiratory System Hospitality Muscular Blood types and Blood Components Cell Bone Marrow Histology Excretion Anatomy - Muscle Histology/NMJ/Physiology Diversity Entomology Cell and Muscle Histology Nervous System: Diseases/Problems/IllnessesOther quiz:
Your Body › ViewWhich of the following substance does a muscle cell need in order to function?
A. Glucose
B. Carbon dioxide
C. Oxygen
D. Both glucose and oxygen only
Heart Anatomy › View
Which of the following paths correctly orders blood flow through the systemic circuit of the circulatory system?
A. Left ventricle, aorta, pulmonary veins, right atrium
B. Left ventricle, aorta, vena cavae, right atrium
C. Right ventricle, aorta, vena cava, left atrium
D. Right ventricle, pulmonary arteries, pulmonary veins, left atrium