nervous system
The brain sends messages through these to the rest of the body.
what are nerves?
adults usually have 206 of these
what are bones?
these help you move by tightening and relaxing
what are muscles?
this is chewed first before it goes down the esopohagus.
what is food?
this life process allows things to make more of its own kind.
This organ controls thoughts, memory, and many body actions.
what is the brain?
this structure protects your brain
what is the skull?
this type of muscle pumps blood through the body
what is the heart?
this organ mushes up food and mixes it with acid.
what is the stomach?
these cells from a male and female join to begin a pregnancy.
what is sperm and egg cells?
This body part connects the brain to many nerves in the body.
what is the spinal cord?
the places where the two bones meet is called this
what is a joint?
muscles are attached to bones by these strong cords.
what are tendons?
most nutrients are absorbed here.
what is the small intestine?
the name of the female organ where a baby grows before birth.
what is a uterus?
Pulling your hand away from something hot is this kind of quick response.
what is a reflex?
this part of the skeleton protects the heart and lungs
what is the rib cage.
bending your arm uses the part between your shoulder and elbow.
what is a bicep?
this organ makes bile and breaks down fats.
what is the liver?
the joining of the sperm and an egg is called.
what is fertilization?
Sight, hearing, touch, taste, and smell are all types of these.
what are the senses?
this tissue is softer than bone and helps cushion the joints
what is cartilage?
this happens when a muscle suddenly tightens and causes pain.
what is a cramp?
this process breaks food down so the body can use it.
what is digestion?
this word means the development of a baby before birth.