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Our bodies are super cool! There are so many things going on in it that we still don’t fully understand to this day. The mouth produces nearly one liter of saliva every day. Did you know that you shed nearly ten pounds of skin cells every year? In your lifetime, your heart will beat just about three billion (with a B) times. Some more numbers for you... The human body is made up of two-hundred and six bones working in concert with your three-hundred and twenty pairs of muscles.

The human body is vastly complex. The worksheets found below will help you understand basic human anatomy and physiology.

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Blood Types

The frequencies of blood types vary in populations around the world. For example, the frequencies of the A, B, AB, and O blood types differ in three US populations as shown below.

Human Skeletal System

Label the following parts of the human Skeletal system on the diagram.

Anatomy of Bone

Provide the labels for the indicated parts on the diagrams of a longitudinal section and cross section of bone below. Some labels are used more than once.

Nerve Cells

Provide the labels for the structures in a neuron shown to the left.

Spinal Cord and Reflexes

In the diagram to the left, provide the labels for the structures involved in the reflex act when a person steps on a tack and jerks their leg away.

Brain Anatomy

Provide the labels for the diagram on the left below and provide descriptions of the functions of each structure on the blank lines.

Anatomy of the Eye

Provide the labels for the indicated parts on the diagram of an eye.

Anatomy of the Ear

Provide the labels for the indicated parts on the diagram of an ear.

Nervous System

Inflammation of the membranes surrounding brain and spinal cord 3. Most simple structural component of the nervous system.

Human Endocrine System

Provide the labels for the indicated parts on the diagram of the endocrine system.

Human Hormones

For the physiological effects listed below, provide the name of the hormone responsible.

The Male Reproductive System

Provide the labels for the indicated parts on the diagram of the male reproductive system.

The Femal Reproductive System

Provide the labels for the indicated parts on the diagram of the female reproductive system.

Embryo Development

Provide the labels for the indicated parts on the diagram of the male reproductive system.

Human Reproduction and Endocrine Crossword

Example clue: Endocrine gland at base of brain 4. Hormone that causes follicle to mature 6. At the base of brain, gland that interacts with pituitary 7. Hormone produced by thyroid 9. Pituitary hormone that targets adrenal cortex

An Apple for Lunch

The digestive system is the part of your body that changes the food you eat, like me Goldie the Delicious Apple, into the energy you need every day for living. The food you eat is digested and the parts of your body that are responsible for this are called the digestive system.

An Apple for Lunch Multiple Choice Questions

Which part of the digestive system can stretch and get bigger?

An Apple for Lunch Short Answer Questions

Healthy teeth are needed for chewing food and preparing it for processing by the digestive system. Do some research and write a short report describing three ways to keep your teeth healthy.

Digestive System Diagram

What's in there anyway?

Label the Digestive System Colored Parts

No, there is not a word bank.

Black and White Diagram

Finish all those parts of the digestive system.

Food for Thought

If you have already studied about the digestive system you are familiar with the path that food takes through your body. You already understand that food needs to be chewed in order to prepare it for processing by the stomach and how the stomach adds acid and churns food to convert it to a form that can be absorbed into the body through the intestines.

Food for Thought Multiple Choice Questions

The proteins, carbohydrates, and fats from the food that was eaten travels to cells throughout the body in what?

Food for Thought Short Answer Questions

A doctor who specializes in diseases and problems of the digestive system is called a gastroenterologist. Would you like to be a gastroenterologist? Explain why or why not.

Oh Those Pre-teen Hormones

The endocrine system is the master controller of all hormone production in the body. We all know that hormones kick in at puberty and make the lives of teens either wonderful or miserable or both at the same time!

Oh Those Pre-teen Hormones Multiple Choice Questions

Which part of the endocrine system plays a major part in growth?

Oh Those Pre-teen Hormones Multiple Choice Questions

A few children do not grow to the same height as average children; they are very short. If doctors give them growth hormone they will grow taller over time. Do you think doctors should give children growth hormone to make them taller?

Major Endocrine Glands

They are set out for you to use as a diagram.

You're Getting on My Nerves! Short Answer Questions

Your nervous system is made up of your brain, the spinal cord and a large branching network of nerves that spread out from the spinal cord.

You're Getting on My Nerves! Short Answer Questions

The branching network of nerves spread from what place?

You're Getting on My Nerves! Short Answer Questions

Explain how signals travel back and forth between the brain and muscles so that the muscles move properly.

Major Nerves

They are all set out for you.

Otto, the O2 Molecule

Otto was gently tickled and cleaned of dust and dirt by cilia, the hairs inside your nose and then he passed through the pharynx (throat).

Otto, the O2 Molecule Multiple Choice Questions

Which part of the respiratory system is strengthened by cartilage?

Otto, the O2 Molecule Short Answer Questions

A bronchial tube and all the bronchioles inside a lung are called a bronchial tree. Explain why this is a good metaphor.

Human Lungs

Label all the important parts.

Do You Remember Potty Training?

The liquid that you pee is called urine. Your body is constantly making urine but instead of getting rid of it as it’s produced, urine is stored in a flexible sac in your lower abdomen called the bladder.

Do You Remember Potty Training? Multiple Choice Questions

How many kidneys does a human have?

Do You Remember Potty Training? Short Answer Questions

Do some research and find out what the recommended amount of water to drink every day is.

Urinary System Overview

How does your body filter waste out of the blood?

Human Urinary System

Mostly the parts of a kidney.

Urinary System Close View

Label all of the branches.

Your Skeleton Gives You Shape

Your skeleton, or skeletal system as it is also called, is the framework of your body. The skeleton provides structural strength so you can sit, stand and walk plus some parts of your skeleton are designed to protect important organs.

Your Skeleton Gives You Shape Multiple Choice Questions

Which nutrient is especially needed to keep bones strong?

Your Skeleton Gives You Shape Short Answer Questions

You and your grandfather each break a leg in a skiing accident. Whose leg will probably heal faster and why?

Framework of Human Skeleton

Everything is labelled for you.

Side View of Human Skeleton

Put your hand up in there.

Human Skeleton with Body Mass

A good way to understand the positioning of the skeleton.

Close-up view of Upper Appendage

A side view of your arm to shoulder.

A Body Builder's Focus

Body builders are athletes who try to develop their muscles to the utmost and are judged on their muscle formation during a competition.

Your Skeleton Gives You Shape Multiple Choice Questions

Which type of muscles are involuntary muscles?

Your Skeleton Gives You Shape Short Answer Questions

Select a part of the body, like arm, shoulder, leg or neck. Do some research and name the skeletal muscles associated with that part of the body.

Major Muscles Ventral View

Yes, he is the picture of health.

Major Muscles Dorsal View

Where are you going with all that.

A Vampire's Favorite Snack

Blood carries vital oxygen to all parts of your body. Oxygenated blood travels through flexible tubes in your body called arteries. In order to reach every cell in the body, arteries branch into smaller tubes called arterioles and at the end of arterioles are capillaries.