This figure illustrates epiphyseal plate morphology. Which is the zone of proliferating cartilage?
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: B
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The long, slender capillaries that parallel the loops of Henle are the ________.
Fill in the blank(s) with the appropriate word(s).
Arrange the following steps of muscle fiber contraction in the correct sequence
1. The muscle impulse reaches the sarcoplasmic reticulum and calcium is released. 2. Thin filaments are pulled over the thick filaments. 3. Calcium floods the sarcoplasm and binds to troponin molecules leaving active sites. 4. The impulse arrives at the synapse and travels through the transverse tubules. 5. The muscle fiber shortens and contracts. 6. Myosin heads bind to exposed active sites on actin, forming cross-bridges. 7-30-2013 A) 4, 1, 3, 2, 6, 5 B) 4, 1, 3, 5, 6, 2 C) 4, 1, 3, 6, 2, 5 D) 4, 3, 6, 2, 5, 1
If several sperm fertilize a single ovum as it is dividing, twins or even triplets may result
Indicate whether the statement is true or false
The plantar venous arch carries blood to which three veins?
A) great saphenous, small saphenous, and fibular veins B) anterior tibial, posterior tibial, and fibular veins C) anterior tibial, posterior tibial, and popliteal veins D) great saphenous, small saphenous, and popliteal veins E) deep femoral, femoral circumflex, and obturator veins