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Free Endocrine System Labeling Worksheet For Kids

The endocrine system labeling worksheet is a hands-on way to introduce kids to one of the bodyโ€™s most important communication networks.

When my son worked on this, the act of placing each label helped him understand that glands arenโ€™t just vocabulary words, they connect to real functions like growth, energy, and mood.

Whether youโ€™re homeschooling or in the classroom, these free science worksheets provide a clear visual guide and come with an answer sheet to make checking quick and easy.

Free endocrine system labeling worksheet for kids with boy and girl diagrams and word banks to identify glands.

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How to Use the Endocrine System Labeling Worksheet

This free worksheet gives students a clear diagram of the endocrine system with space to label each gland.

A word bank is included to support younger learners, along with a separate answer sheet for easy checking.

Iโ€™ve found it works best as a quick review after introducing the topic in class or at home. Kids get immediate practice connecting new terms to a visual.

You can also assign it as homework, use it in small groups, or add it to a human body systems unit for reinforcement.

What is the Endocrine System?

The endocrine system is a group of glands that release hormones, chemical messengers that keep your body in balance. These hormones affect everything from how you sleep and grow to how your body handles stress and energy.

Unfilled 'ENDOCRINE SYSTEM BOY WORKSHEET' providing an educational activity for labeling the endocrine glands, with a word bank including 'Testicle, Pituitary gland, Pancreas,' among others, framed by a border of blue beads.

Pineal gland

Deep in the brain, the pineal gland acts like a clock, producing melatonin to help you fall asleep and wake up at the right times.

Hypothalamus

The hypothalamus connects your brain to your hormone system, controlling hunger, body temperature, and more. It also tells the pituitary gland when to get to work.

Pituitary gland

Often called the โ€œmaster gland,โ€ the pituitary sends out signals that control growth, reproduction, and many other essential functions.

Blank 'ENDOCRINE SYSTEM GIRL WORKSHEET' ready for educational labeling, featuring a word bank with terms like 'Placenta, Pituitary gland, Pancreas, Ovary,' and more, with purple beads as a page border.

Thyroid gland

Shaped like a butterfly in your neck, the thyroid regulates metabolismโ€”how your body uses energy. It affects your heartbeat, temperature, and overall energy levels.

Thymus

Most active during childhood, the thymus helps train your immune system to recognize and fight germs.

Pancreas

Located behind the stomach, the pancreas controls blood sugar by releasing insulin and glucagon, and it also makes digestive enzymes.

Adrenal glands

Sitting on top of your kidneys, the adrenal glands release adrenaline and cortisol, giving your body a boost during stress.

Completed endocrine system labeling worksheet for boys with glands like pituitary, thyroid, pancreas, and testicle labeled.

Ovary (Females)

The ovaries produce estrogen and progesterone, guiding puberty and pregnancy while also releasing eggs.

Placenta (Females, during pregnancy only)

The placenta forms during pregnancy, delivering nutrients and oxygen to the baby and producing hormones to support healthy development.

Testicle (Male)

The testicles make testosterone, which supports male development, and they are also where sperm is produced.

Completed 'ENDOCRINE SYSTEM GIRL WORKSHEET' with handwritten labels for the pituitary gland, pineal gland, thyroid gland, thymus, pancreas, adrenal glands, ovary, and a note indicating 'placenta during pregnancy.' Purple beads decorate the page border

More Body Systems Worksheets

If your kids enjoyed labeling the endocrine system, you might want to keep the momentum going with other body system activities. These are some of the ones weโ€™ve used alongside anatomy lessons:

  • Body System Word Search โ€“ A fun way to reinforce vocabulary. My son liked using this as a warm-up activity before diving into labeling worksheets.
  • Lymphatic System Labeling Worksheet โ€“ A good follow-up once students are comfortable with the endocrine glands. It shows how another system works to protect the body.
  • Human Body Organs Worksheet โ€“ Helps students see the bigger picture by connecting individual glands and organs into one complete system. Great for review or end-of-unit practice.

Best Human Body Books for Kids

I like to pair worksheets with books so kids get both visuals and context. These are a few that worked well for us:

  • Endocrinology for Kids โ€“ A bright picture book that makes hormones simple enough for elementary learners.
  • Know Yourself โ€“ An interactive series with stories and activities. My son enjoyed how engaging it was. (Youโ€™ll also get 15% off with my link.)
Child reading Know Yourself book The Five Senses, an interactive kidsโ€™ series about the human body and anatomy.
  • Human Body Learning Lab โ€“ Hands-on projects that help kids connect what theyโ€™re reading to real life.
  • Human Anatomy for Kids โ€“ A clear overview of different body systems, easy for kids to follow independently.
  • Human Body! โ€“ Beautiful illustrations and broad coverage, perfect to keep on hand for reference.

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Last Updated on 26 September 2025 by Clare Brown

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