Which body parts keep growing for life?
Ears and nose
Which animal has fingerprints almost identical to humans?
A koala
What protects the brain?
The skull
What studies behavior?
Psychology
What type of gene shows its trait?
Dominant
Which sense is strongest for memories?
Smell
Which animal "calls" its friends by special names?
Dolphins
Brain
What are happy or sad feelings called?
Emotions
What do genes help create in the body?
Proteins
How long can a human survive without water?
3-5 days
Which animal can remember things for up to 3 years?
A raccoon
When does your brain clean itself like a dishwasher?
During deep sleep
What can stress affect?
Mind
What molecule holds our genetic code?
DNA
What part of your body is the only one that can't heal by itself?
Teeth
What is the only mammal that can't jump?
An elephant
What part controls thinking?
Cerebrum
What improves mood?
Sleep
What structure contains many genes?
Chromosome
How many times does person blink per day?
About 15,000-20,000 times
Which animal can clean its ears with its tongue?
A giraffe
What carries signals?
Neurons
What stores information?
Memory
What is the basic unit of heredity?
Gene