The ability of sperm cells to move along the ductus deferens is due to ________.
A) gravity
B) peristaltic contractions
C) enzymatic activity
D) hormonal action
B) peristaltic contractions
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A skeletal muscle fiber contains many nuclei.
Answer the following statement true (T) or false (F)
Which part of a lung lies on the diaphragm?
A. Hilum B. Base C. Apex D. Costal surface E. Mediastinal surface
Which of the following statements is TRUE about avian breeding and reproduction?
a. Breeding pairs should be under 1 year of age b. All breeding pairs bond and mate c. Handling eggs is ideal for checking for damage d. Female birds should have diet supplements
Incoming visual information is relayed to the appropriate cortical tissue by
a. the ganglion cells b. the lateral geniculate nuclei c. thalamus d. both a and b e. both b and c