Which sensory organ allows you to see light and colors?
Eyes
Which organ breaks down food during digestion?
Stomach
What connects muscles to bones?
Tendons
What body covering helps protect a turtle from predators?
Shell
What gas do animals need to survive?
Oxygen
Which organ receives information from your five senses?
Brain
Which organ pumps blood throughout your body?
Heart
What is one important function of the skeleton?
To provide strength and support for the body.
What physical feature helps rabbits, kangaroos, and grasshoppers jump?
Enlarged back legs and feet
How do insects take oxygen into their bodies?
Through small openings on the outside of their bodies.
What system uses the brain, spinal cord, and nerves to send messages throughout the body?
Nervous system
Which organ helps control the amount of sugar in your blood?
Pancreas
What type of muscle is found in your heart?
Cardiac muscle
What do the scales of a fish, feathers of a bird, and fur of a rabbit have in common?
They are all protective body coverings.
What structures allow fish to take oxygen from water?
Gills
You touch something very hot and quickly pull your hand away. Which body system helps you react?
Nervous system
What type of blood does the heart collect from the body before sending it to the lungs?
Deoxygenated (oxygen-poor) blood
What happens to a skeletal muscle when it contracts?
It shortens to help move bones.
How do the body coverings of an armadillo and a turtle help them survive?
They provide protective outer armor against predators.
How can some salamanders obtain oxygen without using lungs?
Through blood vessels near the surface of their thin, moist skin.
How do your eyes, nerves, and brain work together when you see a flashing light?
The eyes detect light, nerves send signals, and the brain processes the information.
How is a heart valve similar to a one-way door?
It allows blood to flow in one direction and closes to prevent blood from flowing backward.
What are the three types of muscle tissue in the human body?
Skeletal, smooth, and cardiac muscles.
How do a grasshopper's legs and a turtle's shell help them survive in different ways?
A grasshopper's strong back legs help it jump away from danger, while a turtle's shell protects it from predators.
Insects have small body openings, fish have gills, and some salamanders absorb oxygen through their skin. What does this tell us about animals?
Animals have developed different ways to obtain the oxygen they need to survive.