Some amino acids can be synthesized by the body. Such an amino acid would be classified as a nonessential nutrient
Indicate whether this statement is true or false.
TRUE
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The union of the proximal and middle phalanges form __________ joints.
A. pivot B. plane (gliding) C. hinge D. saddle E. condylar (ellipsoid)
Red pulp of the spleen is most concerned with _______, while white pulp is most concerned with _________.
A. immunity; new red blood cell formation B. filtering lymph; T lymphocyte formation C. blood filtering; immunity D. urine formation; blood filtering
The difference between carbon-13 and carbon-14 is their number of ________.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. Veins that drain the cerebral hemispheres are the internal cerebral veins. 2. The sigmoid sinus, which penetrates the jugular foramen, leaves the skull as the external jugular vein. 3. The cervical spinal cord and the posterior part of the skull are drained by the vertebral veins. 4. The temporal and maxillary veins drain into the internal jugular veins.