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Male Reproductive System Lesson for Kids

Instructor: Emily Lockhart

Emily has taught science and has a master's degree in education.

All living thing reproduce, but male and female animals need each other to create new life. In this lesson, learn about the male reproductive system, its parts and pieces, and how they work together to help males reproduce.

Male Reproduction

All organisms on Earth reproduce. Plants and animals both make new plants and animals, but they do so very differently. Even within the animal kingdom, there are big differences. Birds, for example, lay eggs, while mammals like humans have live babies.

Today we'll be going over one part of the reproductive process - the male reproductive system. In this lesson, you will learn all about the male reproductive system and understand how it helps animals reproduce.

Almost all animal species come in males and females, and humans are no different. Two different kinds of cells are needed to combine in order to reproduce. The male animals (the fathers) contribute sperm, a special kind of cell that contains DNA. DNA are the instructions for creating a baby. The females (mothers) will contribute an ovum, which also contains DNA.

When the sperm and the ovum meet, they combine and all those instructions get to work! The two cells join and then divide over and over again, making lots and lots of cells. These cells will become the new baby.

A Sperm's Journey

image of union between sperm and ovum
spermnovum

Let's follow some sperm on its reproductive journey. Before we get started, it's important to know that the male reproductive system is a series of tubes and pouches that store and deliver the sperm out of the body and towards the ovum.

In humans, sperm is created in two glands called the testes (or the testicles). The testes are actually located outside of the body, just between the legs. This is because sperm needs to stay just slightly cooler than the inside of the human body. They are housed in a pouch of thick skin called the scrotum for protection.

image of male reproductive system
vasdeferens

Sperm travel in very large groups. In fact, on average, sperm travel in groups of more than 100 million at a time! They are super tiny and kind of look like tadpoles; the tail on the back of the sperm helps it to 'swim.'

In order for them to swim, sperm need to have a fluid in which to travel. This fluid is made in little organs called the seminal vesicles. The mixture of this fluid and sperm is called semen.

After the sperm is made in the testes, it begins its way through a series of tubes. The first tube it passes through is a tightly-coiled tube called the epididymis. Most of the epididymis is found in the scrotum, attached to the outside out the testes.

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