Of the glands listed here, which one produces the oily substance that covers the conjunctiva?
A) lacrimal caruncle B) ciliary body C) tarsal glands D) lacrimal gland
Answer: C
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Identify the structures labeled "4."
A) concentric lamellae B) circumferential lamellae C) interstitial lamellae D) trabeculae E) periosteum
The constancy of the chromosome number from one cell generation to the next is maintained through ________.
A) mitosis B) meiosis C) cytokinesis D) DNA synthesis
Cellular respiration makes carbon dioxide as a waste product.
Answer the following statement true (T) or false (F)
Which of the following is not true of the umbilical cord?
A. The umbilical arteries transport oxygen-rich blood from the placenta to the embryo. B. It is directly connected to the placenta. C. There are two umbilical arteries and one umbilical vein. D. The allantois forms part of the umbilical cord. E. All of these are true of the umbilical cord.