Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...

Hans Krebs won the Nobel Prize for his discovery of what scientists now know as the Krebs cycle. Named after him, the Krebs cycle exists as only one system of the larger set, working together to keep human bodies functioning. The...

Convey the structure and function of muscles to your class with this PowerPoint. It explains how muscles are composed of bundles of cells and fibers, that there are three muscle types, and that contraction is either voluntary or...

This page consists of a list of the cranial nerves in triplicate. The diagram of the brain that tops each copy of the list is too small for identifying each nerve. Consider giving your avid anatomists one of these lists with a large...

Students examine how the human immune system responds to germs and explain what a fever is. They design a thermometer in order to further explore temperature before completing a temperature conversion worksheet. They detail the work of...

Students analyze how the digestive system works by taking the food we eat and breaking it down for our bodies to use for various reasons. They list the major components of the digestive system and draw a diagram. They explain how...

In this muscular system worksheet, students define related terms of the muscular system, they identify types of muscles, they order the events of muscle contraction and given a clue about structures and function of the muscular system...

Students explore the basic anatomy and functions of the cardiovascular system. They identify parts of the cardiovascular system according to the levels of organization. In addition, they trace the path of a blood cell through the...

In this muscle and skeletal system worksheet, high schoolers complete a crossword puzzle given clues to terms related to muscles, joints, bones and connective tissue.

Students actively act out an aspect of the digestive tract on two parallel strips of tape on the floor 3-4 feet apart and width of classroom which represent the digestive tract.

Seventh graders identify the common bones in the human body. In this biology instructional activity, 7th graders research two bones assigned to them. They explain why bones are important to us.

  Young scholars discuss the need for humans to have a skeletal system and what would happen if we did not have bones.  In this skeletal system instructional activity, students label each bone in the human skeletal system as a...

In this human anatomy worksheet, students learn about different "skin attacks". They unjumble the letters and complete the spelling of the words. There are 6 words to unscramble on the page.

Young scholars describe human anatomy by reading a children's book. In this heart health lesson, students examine illustrations of heart images and several organ related children's stories. Young scholars discuss ways to keep a healthy...

Seventh graders investigate the strength of the muscular system. They explore voluntary and involuntary muscle movement and discuss the types of muscles: cardiac or heart, skeletal, and smooth. They visit stations to answer questions...

In this lymphatic system activity, students describe whether they think that the lymphatic system is well-adapted to carrying material through the body in comparison to the circulatory system. Then they design a lymphatic system for an...

Students discuss what happens to the trash in their home. They talk about what would happen if they didn't remove the trash. Students relate their home trash to the excretory system of their bodies. They label a diagram of the urinary...

Young scholars create and construct human skeletons by rubbing casts of bone impressions on paper, and then label most important components of human skeleton.

Seventh graders create a concept map about the cardiovascular system. In this life science lesson, 7th graders identify the parts and functions of each system component. They explain how cardiovascular system works with other systems in...

In this internal systems and regulation instructional activity, students correctly decide if given statements are true or false. Students apply information learned about the circulatory system to the given statements to determine...

Students identify size and general location of human heart, identify heart muscle, describe, in general terms, heart's basic function of pumping blood throughout body, and complete "Where is Your Heart" and "What Does My Heart Look...

High schoolers identify the different parts of the circulatory system and their function. They work together to create their own model of the system and use it to determine the rate of blood flow. They answer questions related to their...

Seventh graders become more familiar with how our food is broken down mechanically and chemically. They also trace the food through the alimentary canal.

In this contraception worksheet, students learn about 4 methods of birth-control. They use the 6 words in the word bank to identify and label the birth-control diagrams. Students then list 4 methods of birth-control and list advantages...