This sticky substance helps trap germs in your nose.
What is mucus?
The skeletal system is made of these hard structures.
What are bones?
Digestion begins in this body part.
What is the mouth?
IThese help you see.
What are eyes?
Blood is pumped by the organ.
What is the heart?
This color of mucus indicates your body is healthy.
What is clear or white?
This protects your brain?
What is the skull?
Your stomach uses this to help break down food.
What is acid?
The colored part of your eye.
What is the iris?
These blood cells carry oxygen.
What are red blood cells?
Mucus keeps these two parts of your body from drying out.
What are your throat and nose?
Adults have about this many bones.
What is 206?
Saliva in your mouth helps start breaking down this nutrient.
What are carbohydrates?
This part changes size in bright or dim light.
What is the pupil?
This blood type is known as the universal donor.
What is O negative?
Sneezing helps your body do this with mucus and germs.
What is get rid of them?
This is where two bones meet.
What is a joint?
This long tube carries food from your mouth to your stomach.
What is the esophagus?
We blink to keep this part of the eye moist.
What is the cornea?
These cells help fight infections.
What are white blood cells?
Mucus is mostly made of this liquid.
What is water?
The longest bone in the body.
What is the femur?
Most nutrients are absorbed here.
What is the small intestine?
The back of the eye where images are received.
What is the retina?
This liquid part of blood carries nutrients and waste.
What is plasma?