The superior vena cava carries:
a. oxygen-rich blood to the right atrium
b. oxygen-poor blood to the left atrium
c. oxygen-rich blood to the left atrium
d. oxygen-poor blood to the right atrium
d. oxygen-poor blood to the right atrium
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The last embryonic tissue layer to form is the ________.
A. endoderm B. ectoderm C. mesoderm D. trophoblast
The ________ division tends to prepare the body for action
A) somatic motor B) motor afferent C) sensory afferent D) sympathetic E) parasympathetic
When DNA is distributed diffusely throughout the nucleus, it is called ________. When it is organized into condensed structures, those are called ________.
A. chromatid; chromosomes B. chromosomal; chromatins C. chromatin; chromosomes D. nucleolus; centrioles E. genetic; chromatins
Essential amino acids are those required by the body to build proteins, whereas nonessential amino acids are not required by the body to build proteins.
Answer the following statement true (T) or false (F)