Bubbly Brain
The upper chambers of the heart referred to as this
What is Atrium
The name for the photoreceptor neurons that line the retina
What are rods and cones
What is at the center of a nerve cell
What is the nucleus
What type of bone makes up the bronchial tubes
What is cartilage
The process of breathing oxygen in and carbon dioxide out
What is ventilation
The brain is covered by this many protective membranes
What is 3
This part of the ear helps establish our sense of balance
What is the semicircular canals
Nerve cells are called this
What is neurons
The type of cells bones produce in their marrow cavities
What are red blood cells.
Another name for the voice box
What is larynx
Th name of the vein that runs from the lower torso and limbs.
What is the inferior vena cava.
Another name for the tympanic membrane
What is the eardrum
Pain sensors are what?
What are bare dendrites
The 4 types of bones
Long bones, Short bones, Flat bones, and irregular bones
Another name for the trachea
What is windpipe
This part of the brain is responsible for coordinating muscle activity and amplifying cerebral stimuli on their way to muscles.
What is the hindbrain
The group of nerve cell bodies in the eye
What is ganglia
At any given moment, only this percentage of brain cells are active.
What is 4 %
The smallest bone in the body
What is the stirrup
What is the medulla oblongata
The human heart pumps this many gallons of blood daily
What is 2,000 gallons
True or false: Eyes remain roughly the same size our whole life
What is true
It takes this many days for the skin to fully shed old cells and make new ones.
What is 28 days.
Your body fully replaces its skeleton every _____ years
What is every 10 years
Tiny, hair-like structures that line your airways and work to push out mucus, dust, and debris.
What are cilia