All of the following are a level of organization in the human body except which one?
A. Atoms
B. Organs
C. Tissues
D. Cells
Answer: A
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Steroid hormones exert their action by ________.
A) entering the nucleus of a cell and initiating or altering the expression of a gene B) finding an appropriate cell receptor and initiating cAMP activity C) stimulating the synthesis of a glycogen D) increasing blood pressure
________ are nerve cell processes that conduct action potentials away from the cell body.
A) Dendrites B) Cell body C) Axon D) Neuroglia E) Neuron
The contraction of the arrector muscles (pilomotor muscle or arrector pili) in humans causes ________.
A. generation of heat to raise the body temperature B. hairs to stand on end with no apparent function C. hairs to stand on end, trapping an insulating layer of warm air next to the skin D. hairs to stand on end to make the individual appear bigger E. increased ability to feel pain
The dual uses for sheep include:
What will be an ideal response?