The systolic blood pressure represents the
A. Pressure in the arteries when the ventricles contract
B. Pressure in the arteries when the heart relaxes
C. Pressure in the arteries when the atria contract
D. Expansion and recoiling of the aorta
Select your answer:
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Orthopaedic Neurology › ViewThe posterior part of the deltoid ____ the shoulder.
A. Flexes
B. Abducts
C. Extends
Living Organisms › View
Which best explains why muscle is considered a tissue?
A. It is connected to bones.
B. It can move voluntarily or involuntarily.
C. It interacts with several organ systems.
D. It is a group of cells working together.