The pulse is the rhythmic expansion of the arteries caused by the outflow of blood from the heart when it contracts.
In this lesson, viruses and artificial intelligence are studied to decide whether they can be considered living organisms.
In this lesson, you can learn about the differences between living organisms and non-living things.
The crested gibbon swings through the trees of Southeast Asia’s monsoon forests with acrobatic agility.
In this lesson, you can learn how contraception, acting responsibly, and mutual respect are related.
This lesson helps you understand the importance of personal hygiene and its effect on one's mental state.
In this lesson, you can learn about the advantages of condoms and why prevention is important during sexual intercourse.
In this lesson, you can learn what you can do to help create a sustainable environment.
With the help of this lesson, you can understand why it is important to make decisions that protect the future.
This lesson helps you understand how waste affects the environment and your everyday life.