Choose the odd one out. 1. Ear canal 2. Cochlea 3. Skin 4. Eardrum

Choose the odd one out. 1. Lens 2. Pupil 3. Pituitary gland 4. Retina

Which of these options is a glandular response? 1. Catching a ball 2. Blinking your eyes 3. Producing saliva when you smell food 4. Shivering when it is cold

Glandular response occurs when I perceive an internal stimulus.

Choose the correct order of levels of organization. 1. Cell, tissue, organism, system, organ 2. Cell, tissue, system, organ, organism 3. Cell, tissue, organ, system, organism 4. Organism, system, tissue, organ, cell

Action or change in the environment that we perceive. 1. Response 2. Information 3. Order 4. Stimulus

Where can you find epithelial cells? 1. In our muscles 2. In the skin 3. In our brain 4. In our bones

To sweat is an internal stimulus.

The tongue is a sense.

What does the optic nerve do? 1. It carries nerve signals from the eye to the brain 2. It carries nerve signals from the ear to the brain 3. It detects light that enters the eye 4. It focuses light that enters the eye

The eardrum is in the middle ear.

Which of these options is an internal stimulus. 1. Feeling hungry 2. Feeling cold water 3. Feeling pain if an insect stings you 4. Hearing a loud noise

Light enters through pupil and ................