Select your answer:
Topics:
Lung & Breathing Macromolecules & Enzymes Sensory System Key Terms Pulmonary Edema and CHF Parts of the Skin Bones and Muscles Homeostasis - Vision Correction Atoms and Radioactivity ADVBIO Genetics Heart and Circulatory System Molecular Basis of Inheritance Monoclonal Antibodies Human Brain Nephrology (Hemodialysis) Auditory and Vestibular NeurologyOther quiz:
Circulation and Excretion › ViewA human red blood cell in an artery of the left arm is on its way to deliver oxygen to a cell in the thumb. To travel from the artery to the thumb and then back to the left ventricle, how many capillary beds must this RBC flow through?
A. 4
B. 3
C. 2
Bacteria & Viruses › View
Bacteria are prokaryotes which means they
A. have a nucleus on their capsule
B. do not contain a nucleus
C. can live in environments with and without oxygen