4th Week 24 TEST

How many basic senses do humans have?

• 3

• 5

• 6

These organs send information to your brain to help you understand and discover the world around you.

• olfactory organs

• nerve organs

• sensory organs

A neuron is a ___________.

• olfactory organ

• nerve cell

• blood cell

A substance made in the body.

• chemical

• cells

• cellulose

A cell in a sensory organ.

• receiving cells

• receptor cells

• blood cells

Some people are more sensitive to touch than others.

• true

• false

Sensory receptors that are found on the tongue.

• taste buds

• neuron

• papillae

The average human has about this many taste buds.

• 2,000

• 5,000

• 10,000

Some insects can taste with these body parts.

• antennae and legs

• nose and feet

• eyes and ears

Chameleons can only see what is in front of them.

• true

• false