Which organ is responsible for our sense of smell?
The olfactory bulb
The retina detects light and it also has _________________.
receptor cells
Name the 3 stages of the interaction function.
1. Detecting stimuli 2. Generating Orders 3. Responding to orders
What is the function of neurons?
To transmit nerve impulses.
Describe the iris.
The coloured area at the front.
Name the 2 parts of the outer ear.
The pinna and the ear canal.
What are receptors?
They have cells that detect information and send it to the nervous system.
What is the function of the lens?
Changes the shape to focus the image
Name the parts of the neuron.
Dendrites, axon, cell body, and axon terminal
What is the touch organ?
The skin
What sends the signals from the eye to the brain?
The optic nerve
How can we protect our hearing?
Answers may vary.
The receptor cells in the taste buds send information to the brain by the _________.
gustatory nerve
What does the pupil do when it detects light?
It opens and closes
How can we protect our taste?
Answers may vary.
Touch, pressure, pain and temperature are detected by _______________ .
touch receptors
What sends signals from the ear to the brain?
The auditory nerve.
What is the job of effectors?
To execute responses
Name the 2 parts of the inner ear.
The cochlea and the semicircular canals.
Name the 2 parts of the middle ear.
The ossicles and the eardrum.
What is the name of the taste organ?
The tongue