Answer:
The limitations that nerve impulses have are
Explanation:
1). The impulses can move only in one direction.This is because the nerves are structured to allow unidirectional flow.
2). The electrical impulses are quite short acting. The message is only sent in the presence of the stimulus.
The pancreas’s main function is to produce substances that help digest food.
Egestion is the discharge or expulsion of undigested material (food) from a cell while excretion is process of eliminating or expelling waste matter (that had already been digested)
Answer:
The answer is Weber's law
Explanation:
In the context of the difference threshold, Weber's law is the principle that two stimuli must differ by a constant proportion to be perceived as different.
- Weber's Law states that "for the difference to be perceptible, two stimuli must differ by a constant proportion, not a constant amount".
To survive, desert plants have adapted to the extremes of heat and aridity by using both physical and behavioral mechanisms, much like desert animals. Plants that have adapted by altering their physical structure are called xerophytes. Xerophytes, such as cacti, usually have special means of storing and conserving water. They often have few or no leaves, which reduces transpiration.