Body cells communicate with immune system cells through direct contact involving the sugary coatings on the cells' surfaces.
Answer the following statement true (T) or false (F)
True
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In this sagittal view of the eye, what structure does number 2 indicate?
A. Ora serrata B. Cornea C. Ciliary body D. Iris E. Suspensory ligaments
Which of the following lists levels of human structure from the most complex to the simplest?
A) Organelle, cell, tissue, organ, organ system B) Organ system, organ, cell, tissue, organelle C) Organ, organ system, tissue, cell, organelle D) Organ system, organelle, tissue, cell, organ E) Organ system, organ, tissue, cell, organelle
What do anatomical terms of direction describe?
A. The body's position B. The cavity that contains certain organs within the body C. The location of a particular structure in the body D. The specific region in which a body part is located
Which of these allow nutrients to diffuse from the central canal to all the osteocytes within an osteon?
a. perforating canals b. lamellae c. lacunae d. canaliculi