Living-subclasses and subhyla
Nonliving- body fluids, cellular secretions, intracellular matrix
Receptors, such as neurotransmitter receptors and hormone receptors, are found on cell surfaces. These receptors bind to specific signaling molecules like neurotransmitters and hormones, allowing cells to respond to these signals and initiate a biological response.
Receptor molecules are found on cell surfaces and respond to nerve and hormone signals.
The cytoplasm is a jellylike substances found throughout the cell.
Lysosomes remove harmful substances for a cell. Lysosomes are found in eukaryotic cells
Cytoplasm
Channel proteins are a type of protein found in the cell membrane that regulate the passage of specific ions or molecules into or out of the cell. These proteins form channels or pores that allow substances to pass through the membrane, controlling the movement of substances across the cell membrane.
Membrane Protein
A cell membrane surrounds all cells and controls the movement of substances.
The Plasma membrane is found in both the animal cell and plant cell.
many substances like sweat which is a combination of salt and water,hairs,and many other things...:)
A plant cell is a type of cell found in plants, including the elodea species. Epithelial cells, on the other hand, are found in animal tissues and line various body cavities and surfaces.
Epithelial tissue is a type of cell tissue that can absorb and secrete substances. This tissue covers the surfaces of the body and internal organs, forming barriers that can facilitate the movement of molecules in and out of the body.