Blood helps regulate the pH and the temperature of the body
Indicate whether this statement is true or false.
TRUE
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Which of the following does not influence the increase in ventilation that occurs as exercise is initiated?
A) psychic stimuli B) decrease in lactic acid levels C) proprioceptors D) simultaneous cortical motor activation of the skeletal muscles and respiratory center
Select the correct statement about the neuromuscular junction
a. AChE activity is absent here. b. It involves presynaptic neurons of the autonomic nervous system. c. It is a junction between two neurons. d. It is always excitatory. e. The axon terminals do not store neurotransmitters.
The extracellular material of tissues is called ________.
A. plasma B. fibroblast C. lymph D. cytoplasm E. matrix
We live in an ever-changing environment outside of our body, yet our internal conditions remain relatively stable. This is called ________.
A. metastasis B. responsiveness C. evolution D. adaptation E. homeostasis