Astronauts who travel out of the earth's gravitational field have experienced which of the following?

A. increased bone density
B. reduced strength
C. both A and B
D. none of the above


B. reduced strength

Anatomy & Physiology

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The O in COPD stands for ____________

Fill in the blank(s) with correct word

Anatomy & Physiology

Select the last step for synaptic signaling when the action potential arrives at the axon terminal of a presynaptic neuron

a. A neurotransmitter is released by exocytosis. b. Calcium flows in the synaptic knob. c. The neurotransmitter combines with a protein receptor on the subsynaptic membrane. d. The permeability is altered in a postsynaptic neuron. e. Sodium influx occurs at the axon terminals

Anatomy & Physiology

The rule that states "Within limits, the heart pumps all of the blood that returns to it" is known as the ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which function of the reproductive system is solely a function of the female reproductive system?

A. Development and nourishment of a new individual B. Production of gametes C. Fertilization D. Production of reproductive hormones

Anatomy & Physiology