Which body systems sends and receives messages to all parts of the body?
Nervous system
Oxygen is brought into the body (by breathing it in from the air) and carbon dioxide is removed (by exhaling from the lungs) primarily by which body system?
respiratory
What are the 3 main parts of the nervous system?
brain, spinal cord, nerves
Which body system (AND which organ in that system) is the most complex in the human body?
Nervous system / Brain
Explain how the digestive system and the circulatory system work together.
The digestive system breaks down food to get nutrients. The circulatory system takes those nutrients throughout the body.
What is most basic unit of life that all living things are made of?
cells
Which body system eliminates waste and maintains the balance of water and chemicals within the body?
excretory system
The cell shown carries oxygen and nutrients throughout the body. Which body system does this cell belong to?
circulatory system
The cell shown sends messages throughout the body. Which body system does this cell belong to?
Nervous system
Which choice shown in the picture of the levels of organization is the most complex level?
organism
Which body system is responsible for carrying nutrients and oxygen throughout the body?
circulatory system
The cells shown help the body and its parts move in many different ways. Which body system do these cells belong to?
muscular system
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
(A) homeostasis
Which body system's main purpose is to move bones, body fluids, and food?
muscular system
Which organ system is responsible for breaking down food and includes organs such as the esophagus, stomach, and intestines?
digestive system
List the five levels of organization in the human body from simplest to most complex. (Hint: The pictures can help you.)
cell, tissue, organ, organ system, organism
Name at least 5 parts of the digestive system.
mouth, esophagus, stomach, small intestines, large intestines, gall bladder, pancreas, spleen, liver, rectum and anus
Which organ's function within the body is to keep blood pumping throughout the body?
heart
The cells shown are 3 different types of muscle cells. Name all 3 types.
cardiac, smooth, and skeletal
The picture shows actual muscle cells that are working together, and together the cells form muscle _______________
tissue