The human heart is composed of
A) muscle fibers called myocardium.
B) an outer membranous sac called the pericardium.
C) endocardium.
D) All of the choices are correct.
E) smooth muscle fibers.
Correct Answer:
Verified
Q24: Veins primarily depend upon which of the
Q25: The coronary arteries are important because they
Q28: Which type of blood component is involved
Q31: Which group of vertebrates will lack a
Q33: The leading cause of preventable death in
Q39: Which statement is NOT true about red
Q40: What two forces control the movement of
Q45: During capillary exchange,what will occur if the
Q48: Open circulatory systems are characterized by the
Q51: What is the main difference between blood
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents