What is called molting in birds?

15.03.2020
What is called molting in birds?

Shedding in dogs is a natural process; every owner of a four-legged friend has to deal with it. But not all owners know when, how and how many times in a year animals molt, for what reasons this happens, how long it lasts, and what needs to be done,

Why do we hear loud and quiet sounds

15.03.2020
Why do we hear loud and quiet sounds

Hearing is the great gift endowed with humanity. The perception of sounds helps people avoid danger, communicate with each other and get sensations that give rise to emotions. As long as this gift is with us, we rarely think about how we hear and how to perceive

Features of human perception

15.03.2020
Features of human perception

Psychoacoustics - a field of science that borders on physics and psychology, studies data on the auditory sensation of a person when physical irritation - sound, is applied to the ear. A large amount of data has been accumulated on human responses to auditory irritations. Without these d

What makes blood in the body

15.03.2020
What makes blood in the body

Blood is a life-giving fluid. It provides the delivery of oxygen and other nutrients to every cell in the body. The composition of the blood includes red blood cells (red blood cells), white blood cells, platelets, plasma and other components. Few people know

© 2020 huhu.ru - Pharynx, examination, runny nose, sore throat, tonsils

site Map