Select your answer:
Topics:
Inflammation and Healing Asthma Eyes and Hearing Lungs Disease and Immunity Musculoskeletal System Circulatory System - Pathway of Blood Child Growth and Development Pancreatitis CNA Introduction Multicellular Organisms Receptors Vision & Hearing Blood Typing CosmetologyOther quiz:
Cell and Muscle Histology › ViewWhat proteins are absent in smooth muscles?
A. Tropomyosin and troponin
B. Troponin and myosin
C. Tropomyosin and myosin
D. Troponin and actin
Heart and Circulatory System › View
The only artery in humans that carries deoxygenated blood is the:
A. Pulmonary artery
B. Renal artery
C. Aorta
D. Carotid artery