Answer:
chemotaxis of phagocytes
Explanation:
Histamine is a chemical involved in inflammation but it also has role as a neurotransmmiter in central nervous system and uterus It is synthesized by the two types of cells: basophils and mast cells and it acts via binding to its receptors (histamine receptors). Roles of histamine are:
- vasodilatation and consequently decrease in the blood pressure
- increase vascular permability in the nose cavity (runny nose)
- regulates sleep-wake cycle
- stimulates gastric acid secretion in the stomach etc.
<em>paper is better</em> because its made of natural materials and the earth can absorb and decompose it.<em><u> Plastic is worse</u></em> because can get caught around animals necks and can be eaten which will cause stomach issues and later death.
Answer:
radiometric dating methods
Explanation:
The oldest rock layer will be at the very bottom, and as time goes on, more layers will form making the top layer the youngest layer and the bottom layer the oldest. This method can determine the amount of radioactive decay of certain elements which can help them make a geologic time scale.
<span>Desert rabbits are adapted to the warm climate because their large ears aid in the removal of heat due to the high heat of vaporization of water.
The rabbits that live in the desert are jackrabbits. An extensive network of blood vessels is present in the large ears of jack rabbits, due to this their large ears are used in cooling and radiating heat.</span>