Simple diffusion, which is different from facilitated diffusion.
Answer:
Explanation:
What Is the Product Life Cycle?
The product life cycle is the process a product goes through from when it is first introduced into the market until it declines or is removed from the market. The life cycle has four stages - introduction, growth, maturity and decline.
<span>The hormone Oxytocin is released during positive physical contact between humans. It creates a stress lowering reaction and increases bonding between the parties. This creates attachment, and the effect is present in all types of human relationships, ranging from the bond between mother and child to romantic couples.</span>
Answer:
Epithelial tissue covers body surfaces that are exposed to the environment and also secretes internal regulatory molecules
Explanation:
The epithelium is one of the four main classes of animal tissues (i.e., epithelial, muscle, connective and nervous tissues). The epithelial tissue covers both external and internal body surfaces such as, for example, the skin and the digestive tract, respectively. In the skin, this tissue is a protective layer that prevents water loss and damage by external environmental factors or by mechanical friction. Moreover, in the digestive tract, epithelial tissue plays critical roles for the absorption of nutrients, as well as during regulation and excretion of hormones.