3.48 Menstrual Cycle Definition & Stages This lesson will explore what happens within a female’s body during what is known as a menstrual cycle. We’ll explore the definition of this cycle as well as its stages. What Is a Menstrual…

3.47 Urinary System Definition & Facts Did you know that peeing is actually your body’s way of taking out the trash? Learn about the urinary system, how it keeps you healthy and more amazing facts about pee in this lesson.…

3.46 Sense of Hearing Hearing is processed through ears in humans but can also be processed by other body parts in other animals. Learn about hearing and discover the parts of the ear, the importance of vibrations, and a condition…

3.45 Male Reproductive System The male reproductive system is vital to the creation of life for many living organisms. Explore the male reproductive system and learn what part the testes play in sperm production and the journey of the sperm…

3.44 Female Reproductive System The female reproductive system is where a baby will gradually grow. Discover how sperm enters into the female reproductive system, where eggs are produced and later fertilized, and the uterus where a baby is nurtured until…

3.43 Stomach Facts The stomach is the body organ where the food goes and gets digested. Discover facts about the stomach and learn about the main jobs and functions of the stomach. What Is the Stomach? If someone asked you…