Skeleton
Name 2 of the 3 jobs of the skeleton.
helps us move, gives us shape, and protects organs
Name the 3 kinds of muscles and what they move.
Skeletal-move bones
Smooth-move food
Cardiac-move blood
Name the colored part of the eye.
Iris
What nerve sends sound messages to the brain?
auditory nerve
Name 3 animals with better hearing than humans and why?
Dogs, cats, horses, etc
They have larger Pinnas.
What makes bones hard and stiff?
Minerals (calcium)
What happens to muscles that are not used?
they weaken
What fills the center of the Eye and What is called?
A gel like substance called the vitreous humor.
The eardrum vibrates causing 3 tiny bones to vibrate. What are the names of those 3 bones?
Hammer, Anvil, Stirrup
Name the smallest bone in the body.
Stirrup
What are the 4 shapes of bones?
short, flat, long, and irregular
Muscles that move on their own are called what?
Involuntary
The ______ nerve transmits messages from the retina to the brain.
Optic Nerve
This word means shell shaped. It is filled with _____ and ________.
Cochlea-fluid and hair
About how bones are you born with?
Babies are born with about 350 bones and some fuse together which gives us 206 bones as an adult.
What is a place on the body where two or more bones meet called?
Joint
Name the 5 organs that aid in digestion.
tongue, esophagus, stomach, small intestine, and large intestine
What 3 parts of the eye did God give us to protect the eye?
eyelid, eyebrow, eyelashes
Name the two parts of the outer ear.
Pinna and Ear Canal
What is the job of the semicircular canals in our ear ?
To help keep our balance.
Name 3 types of joints and provide an example of each one.
Pivot-NECK
Ball and socket-SHOULDER
Hinge-ELBOW
What type of muscles move because a person chooses to move them? Give 1 example
Voluntary
ex:arms, legs, face, eyes
What is the tissue that lines the back of the eye called? What is its job?
Retina-it contains rods and cones that convert light rays into impulses that are sent to the brain.
What is sound?
vibrations
Name two places in the body where cartilage is found.
ear, nose