Which body system (AND which organ in that system) is the most complex in the human body?

Name at least 5 parts of the digestive system.

Nutrients from your food get into your bloodstream through which of these processes? (A) respiration (B) absorption (C) secretion (D) termination

What is most basic unit of life that all living things are made of?

Which body system is responsible for carrying nutrients and oxygen throughout the body?

What are the 3 main parts of the nervous system?

Which organ system is responsible for breaking down food and includes organs such as the esophagus, stomach, and intestines?

List the five levels of organization in the human body from simplest to most complex. (Hint: The pictures can help you.)

The picture shows actual muscle cells that are working together, and together the cells form muscle _______________

The cell shown sends messages throughout the body. Which body system does this cell belong to?

Explain how the digestive system and the circulatory system work together.

The cells shown help the body and its parts move in many different ways. Which body system do these cells belong to?

Which choice describes your body's ability to maintain a balanced internal condition (through changes like sweating to cool off and increased heart rate to pump more oxygen through the body)? (A) homeostasis (B) growth (C) digestion