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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
3.- Cell, tissue, organ, system, organism.
… expand and contract. 1. Bones 2. Muscle cells 3. Nerve cells 4. Epithelial cells
2.- Muscle cells
Action or change in the environment that we perceive. 1. Response 2. Information 3. Order 4. Stimulus
4.- Stimulus
Choose the odd one out. 1. Stomach 2. Eye 3. Digestive system 4. Heart
3.- Digestive system
Where can you find epithelial cells? 1. In our muscles 2. In the skin 3. In our brain 4. In our bones
2.- In the skin.
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
1.- Feeling hungry
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
3.- Producing saliva when you smell food.
Choose the odd one out. 1. Lens 2. Pupil 3. Pituitary gland 4. Retina
3.- Pituitary gland
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
1.- It carries nerve signals from the eye to the brain.
Where are our olfactory receptors? 1. In the skin 2. In the brain 3. In the nasal cavity 4. In the tongue
3.- In the nasal cavity.
Choose the odd one out. 1. Ear canal 2. Cochlea 3. Skin 4. Eardrum
3.- Skin
Light enters through pupil and ................
lens
The eardrum is in the middle ear.
True
The cell receptors in the eye are in the ....
retina
The skin is the organ of...
the sense of touch
The cochlea has receptor cells.
True.
