Sensory Mechanisms Flashcards
Snakes use ____ which detect infrared radiation emitted by other animals
Pit organs
This animal uses pit organs which detect infrared radiation emitted by other animals.
Snake
Have somatosensory receptors that sense touch, temperature, and pain
Pit organs
Have receptors for light detection
Eyes
It detects receptor cells and action potential production
Sensory receptors
Detect abnormally high heat, pressure, or chemicals from injured tissues
Pain Receptors
Detect heat and cold. Found underneath tge skin and deep in the body
Thermoreceptors
Detects mechanical energy such as touch, pressure, bending, movement, and sound. These stimuli results in a change in shape of the plasma membrane of the receptor cell
Mechanoreceptors
Found in the human nose and taste buds which are sensitive to the chemicals outside the body
Chemoreceptors
Detects electricity, magnetism, different wavelengths of light
Electromagnetic Receptors
Eyes of animals use this to detect light energy using similar pigment
Photoreceptors
2 layers of the skin
Epidermis and dermis
This is the outermost layer composed of several epithelial cells
Epidermis
These 2 contribute to prevent dehydration and act as a barrier against pathogens
Keratin and glycolipid
This contains connective tissue, muscles, nerves, hair follicles, oil and sweat glands, sensory receptors and blood vessels
Dermis
A layer of fat which aids in insulation
Hypodermis
Made up of pinna and auditory canal
Outer ear
It traps the sound waves and direct them to the eardrum which is part of the middle ear
Pinna
Smaller chamber; has circulatory functions. It carries nutrients and oxygen ti the different parts of the eye and collects wastes
Aqueous Humor
Mucus membrane on the surface of the eye, lining the back of the eyelid and the white of the eye to keep them moist
Conjunctiva
Squids have a (hard, soft) lens which can move back and forth when focusing
Hard
Human eye have (hard, soft) lens hence, it can be changed when focusing
Soft
In Human eye, what happens to the lens when looking at near objects?
They become round and thick which enables light from the object to focus
What happens to the lens of the eye when focusing on a far object?
Flat and thinner
It is lined with sensory receptors located at the tip of the cillia
Nasal cavity
Are evolved epithelial cells that become sensory cells
Taste buds
Which sensory receptors will detect music?
Mechanoreceptors
Why is the skin made up of several layers of cells?
The bottom layer replaces the top layer
Which is not found in the dermis
Fat layer
The correct sequence of the parts of the ear where sound passes
Outer ear -> eardrum -> cochlea -> Organ of Corti
Which part of the ear is responsible for maintaining balance?
Semicircular canals
Which light detecting structures is NOT capable of forming images?
Eye cup
Which of the following organisms have compound eyes?
Flatware, squids, insects, humans
Insects
The lens of the human eyes is controlled and attached to ligaments. What do you think will happen if these ligaments stop working?
The lens will not be able to focus on either near or far objects
Which part of the human eye has the highest concentration of photoreceptors?
Fovea
Which is not true about sense of taste?
a. There ate now five tastes which include sweet, taste, bitter, sour, and umami
b. Only certain regions in the mouth have taste buds for a certain taste
c. A taste bud can detect only one taste
d. Taste buds are modified epithelial cells
B
