Oxidation during cellular respiration differs from burning in that respiration
A) requires a relatively large amount of energy to start the process.
B) releases more energy as heat and light.
C) doesn't use enzymes to lower the activation energy.
D) uses enzymes to lower the activation energy.
D
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Thin collagen fibers that form a sponge-like framework for organs like the spleen and lymph nodes are __________ fibers.
Fill in the blank(s) with the appropriate word(s).
Involuntary muscle tissues are
A. smooth muscle tissue and skeletal muscle tissue. B. smooth muscle tissue, skeletal muscle tissue, and cardiac muscle tissue. C. cardiac muscle tissue and skeletal muscle tissue. D. smooth muscle tissue and cardiac muscle tissue.
What type of stimulus is detected by the sensory receptors of the skin?
A. Heat B. Cold C. Pressure D. Vibration E. All of the choices are correct.
How many skeletal muscles are there in the body?
A) approximately 80 B) approximately 126 C) approximately 200 D) approximately 700 E) approximately 1500