Integumentary System
This is the outermost layer of skin that provides a barrier to environmental damage.
Epidermis
The sensory organ responsible for detecting sound waves.
the ear
The basic functional unit of the nervous system, responsible for transmitting electrical signals.
neuron
This part of the digestive system absorbs nutrients from food.
small intestine
This organ filters waste and excess fluid from the blood to form urine.
the kidneys
These glands produce sweat to help regulate body temperature.
sweat glands
These are the cells in the retina that detect light and color.
rods and cones
This part of the brain controls vital functions like breathing and heartbeat.
medulla oblongata
This is the muscular tube that connects the mouth to the stomach.
esophagus
The tube that carries urine from the kidneys to the bladder.
the ureter
The protein that gives the skin its strength and elasticity.
collagen
The sense that helps us detect different chemicals in food and beverages.
taste
This system includes the brain and spinal cord and controls information processing.
central nervous system (CNS)
This organ produces bile, which helps in fat digestion.
the liver
This is the process of urine formation in the kidneys.
filtration
This part of the skin is responsible for the sensation of touch.
the dermis
This part of the brain processes sensory information related to touch, temperature, and pain.
somatosensory cortex
These are the branches of a neuron that receive incoming signals.
dendrites
The process by which food is broken down in the stomach.
digestion
This organ stores urine until it is ready to be excreted.
The bladder
This type of cell is responsible for the production of melanin in the skin.
melanocytes
This nerve transmits information from the eye to the brain.
optic nerve
This protective layer around axons speeds up nerve signal transmission.
myelin
These glands secrete digestive enzymes in the mouth.
salivary glands
The tube that transports urine from the bladder to the outside of the body.
the urethra