Cell and Tissues Cells are the smallest living subunits of a multicellular organism such as a human being Cells are the building blocks and functional.
Animal Cell. Plant Cell Cell Membrane – outer boundary –In plants & animals –Structure: Phospholipid bilayer –hydrophilic heads, hydrophobic tails Contains.
The Nerve Impulse.. The Neuron at Rest The plasma membrane of neurons contains many active Na-K-ATPase pumps. These pumps shuttle Na+ out of the neuron.
