Which of the following scenarios appropriately represents kinetic energy?
A. A large truck parked at the top of a steep hill
B. A student marking an answer on a exam paper
C. A swinging door propped open
D. All of the choices are correct.
Answer: B
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This figure shows the duct system in the male reproductive tract. Which number indicates the ductus deferens?
A. 1 B. 6 C. 8 D. 9 E. 10
The amount of blood in the human body is about ____ liters
a. 2 b. 5 c. 10 d. 12 e. 15
The major body parts derived from mesoderm are the
A. epidermis, hair, nails, and glands of skin. B. muscle tissue, bone tissue, and bone marrow. C. respiratory tract, urinary bladder, and urethra. D. nervous system and sense organs.
Which of the following is part of the spiral organ (organ of Corti)?
A. modiolus B. vestibule C. tectorial membrane D. scala tympani E. chorda tympani