<span>Cell signaling enables the cell to communicate and respond
to environmental changes. The environmental stimuli are transferred to the cell
as signaling molecules. Only the cell that has a specific receptor to these
molecules will respond to the stimuli as a result of the binding of the signaling
molecules to its receptor.</span>
These molecules require the help of specific transport proteins which are embedded in the phospholipid bilayer. Transport may occur through facilitated transport or active transport.
Physical barriers, Phagocytes, Immunological surveillance, Interferons, Complement, Inflammatory response, Fever. ...
Skin and mucous membranes. ...
Neutrophils, Eosinophils, and macrophages. ...
Natural Killer cells. ...
Interferons (chemical messengers) ...
A group of proteins that can attach to pathogens and antigens.
Answer:
Hormones are the chemical messengers in your body. They make their way via your bloodstream to tissues and organs. They operate gradually and have an impact on a variety of processes, including:
- Growth and development
- Metabolism (how your body gets energy from the foods you eat)
- Se.x.ual function
- Reproduction
- Mood
Explanation: