کارت شما خالی است
گوش ارتعاشات هوا را به سیگنال های الکتریکی تبدیل می کند که سپس توسط مغز پردازش می شوند.
This lesson presents the harmful effects of addictions on the human body.
گوشت خواران بزرگ، تقریبا یکی از بهترین شناخته شده ها از دایناسورها.
People often spend up to 8–9 hours sitting each day; therefore, it is extremely important to learn the correct sitting posture.
موارد اضطراری ممکن است در هر مکانی اتفاق بیفتد، بنابراین مهم است که بدانید چگونه مراقبت های اساسی و پایه ای برای حمایت از زندگی انجام دهید
In this lesson, you will learn about one of the most beautiful and largest natural formations on Earth.
Photosynthesis occurs in chloroplasts and is a vital process for life on Earth.
In this lesson, you can compare the engines of cars and the human heart.
Sugar cane, cultivated in tropical or subtropical regions, is the primary raw material for sugar production.
The saguaro is one of the tallest and best-known cactus species in the world. It is also the official state symbol of Arizona.
در این درس اطلاعاتی در مورد کشف و طبقه بندی ویتامین ها و همچنین بیماری های ناشی از کمبود ویتامین خواهید آموخت.
The lesson introduces you to the features of Tyrannosaurus rex.
This lesson presents the structure and functioning of the heart and how it can be protected.
A lesson about gardens, plants and their organs.
A lesson about the benefits and limitations of genetic engineering.
Simple, straightforward information about the coronavirus epidemic.
Learn interesting facts about the structure and function of the human brain.
You can learn a few interesting facts about the human respiratory system.
In this lesson, you will learn about the anatomy and reproduction of birds.