The structures that connect cardiac muscle cells are
A. intercalated discs.
B. motor end plates.
C. neuromuscular junctions.
D. intervertebral discs.
Answer: A
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A. gives rise to the primary germ layers. B. forms blood cells in early development. C. stores metabolic wastes until the fetus is born. D. provides nutrients to the fetus when the umbilical cord is disconnected.
What is hematology?
A) Hematology is the study of the heart. B) Hematology is the study of blood vessel structure and function. C) Hematology is the study of blood, blood-producing organs, and blood disorders. D) Hematology is the study of the immune system. E) Hematology is the study of cancers of the blood.
The conjunctiva that cover the anterior surface of the eye is termed the ________ conjunctiva.
A. visceral B. epithelial C. retinal D. palpebral E. ocular
The aortic sinus
A. is the first branch off the ascending aorta. B. gives rise to the right and left coronary arteries. C. contains oxygenated blood. D. All of the above