Lesson 1
Muscles and Bones
Muscles and Bones
a part of the body that attaches to bones and allows the body to move
What is a muscle?
energy that comes from sources like the Sun and lamps and makes it possible to see things
What is light?
the back of the eye that senses light and sends messages to the brain
What is the retina?
a part of the body that receives and responds to signals from the senses and also stores memories
to take something apart to study it
What is dissect?
a part of the body where two bones come together and can bend
What is a joint?
to pay close attention to something
What is observe?
the dark opening in the center of the eye
What is the pupil?
the parts of the body that carry signals from one part of the body to another part
What are nerves?
what something does
What is function?
a large muscle in the upper arm bones the hard parts inside many animals that help give their bodies shape
What is a Bicep?
a clear object that changes the direction of light as it passes through
What is a lens?
the colored part of the eye that is shaped like a donut
What is the iris?
the brain and all the nerves in the body.
What is the nervous system?
the specific form and shape of something
What is structure?
all of the bones of an animal, including humans
What is a skeleton?
the clear layer in front of the eye that acts as a lens
What is a cornea?
a part of the body that detects light and sends signals to the brain
What is the eyes?
the parts of the body that carry signals from the senses (eyes, ears, nose, mouth, skin) to the brain
a test used to discover new information about a question
What is an experiment?
a part of the body that attaches muscle to bone
What is a tendon?
when light bounces off something
What is reflect?
something you see that tricks or confuses your brain
What is an optical illusion?
the parts of the body that carry signals from the brain to muscles muscle a part of the body that attaches to bones and allows the body to move
What are motor nerves?
a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
What is a model?