Select your answer:
Topics:
Macromolecules & Nutrients Anatomy Biochemistry Composition of Blood and Blood Cells Properties of The Hair and Scalp Dyslexia Pediatric Cardiology Food for Thought PHYSIOLOGY OF KIDNEY Integumentary System & Body Directions Alzheimer Disease Bones and Muscles Population Ecology Circulatory System EnzymesOther quiz:
Circulatory System › View___ takes place when blood travels from the heart, through the lungs, and back to the heart.
A. pulmonary circulation
B. systemic circulation
Nervous System › View
Which part of the eye contains the photoreceptor cells Rods and Cones?
A. Pupil
B. choroid
C. retina
D. optic nerve