During the plateau phase of the contractile cell action potential, which ions primarily move and in what direction?

Where do you find the hypodermis and what is its function?

What cells are in the stratum spinosum?

What occurs in the stages of hair growth?

Which autonomic pathway slows the heart rate via the Vagus nerve?

Which structures make up the nail and their functions?

What are the main functions associated with blood?

What are the general structures of hair and where do new cells derive from?

The predominant frequency of a certain police siren is 900 Hz when at rest. If the police car has the siren on and is stuck in traffic, what frequency do you detect as you are moving with a speed of 35 m/s? What frequency do you detect after you have passed the police car?

Two point charges, QA= -3.4 μC and QB = 4.2 nC, are separated by a distance r = 12.3 cm. What is the magnitude of the electric force? Is this force repulsive or attractive?