Examlex
During cleavage, the number of cells ________, while the size of individual cells ________.
Osteoporosis
A medical condition in which the bones become brittle and fragile from loss of tissue, typically due to hormonal changes, or deficiency of calcium or vitamin D.
Dendrites
Branch-like extensions of neurons that are involved in receiving signals from other neurons.
Neurons
Specialized cells in the nervous system that transmit information by electrical and chemical signaling.
Reflexes
Unlearned, organized involuntary responses that occur automatically in the presence of certain stimuli.
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