Topics: The Circulatory System Quiz
The heart is enclosed in a protective sac called __________.
A. myocardium
B. capillaries
C. valve
D. pericardium
Select your answer:
Topics:
The Teeth Circulatory & Respiratory System Muscular System NCHSE Salmonella vs E.coli Biology Inflammation and Tissue Repair Anatomy - Muscle Contraction and Growth Enzymes EKG CCMA Biological Molecules Bacterial Growth Cybersecurity in Healthcare Child Growth and Development Psychology Vocabulary VirusesOther quiz:
Blood and Bones › ViewWhat is the biggest bone in your body?
A. fibula
B. humerus
C. pelvis
D. femur
The Respiratory System › View
What is the function of the “Bronchi”
A. They are infinte braches of the trachea and carry air to the lungs
B. They are one braches of the trachea and carry air to the lungs
C. They are three braches of the trachea and carry air to the lungs
D. They are two braches of the trachea and carry air to the lungs