The costs of locomotion for animals moving at their optimal velocities are
A) Lowest for swimmers.
B) Highest for fliers.
C) Lowest for runners.
D) Highest for swimmers.
Answer: A
Anatomy & Physiology
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If someone begins to hyperventilate due to anxiety, the CO2 concentration in their blood decreases; this causes ________ in blood pH.
A. a decrease B. no change C. an increase
Anatomy & Physiology
Melanocytes produce the pigment keratin
a. True b. False Indicate whether the statement is true or false
Anatomy & Physiology
The voltage-gated Na+ channels _____ when the cell reaches +30 mV
What will be an ideal response?
Anatomy & Physiology
The site of infection is the location at which lymphocytes
A. are formed. B. provide an effector response. C. are activated. D. become able to recognize one specific foreign antigen.
Anatomy & Physiology