Advanced Muscles and Bones
This sliding filament protein binds to actin during muscle contraction.
What is myosin?
This hormone regulates blood sugar by lowering glucose levels.
What is insulin?
This pigment gives skin its color
What is melanin?
This part of the neuron receives incoming signals.
What are dendrites?
This bone is the only one in the body not connected to another bone.
What is the hyoid bone?
This mineral is stored in bones and released when blood levels drop.
What is calcium?
This organ detoxifies ammonia by converting it to urea.
What is the liver?
This type of burn damages the epidermis and dermis.
What is a second-degree burn?
These cells form myelin in the central nervous system
What are oligodendrocytes?
This organ can regenerate up to 75 percent of its tissue.
What is the liver?
This type of joint allows the greatest range of motion.
What is a ball-and-socket joint?
This structure prevents food from entering the trachea
What is the epiglottis?
These cells are the first responders in the immune system during infection.
What are neutrophils?
This structure connects the two hemispheres of the brain
What is the corpus callosum?
The average human blinks this many times per minute
What is about 15 to 20 times?
These cells break down old or damaged bone tissue.
What are osteoclasts?
These blood vessels contain valves to prevent backflow
What are veins?
This layer of skin contains blood vessels and nerves.
What is the dermis?
This fluid cushions the brain and spinal cord.
What is cerebrospinal fluid?
These ridges on your fingertips improve grip.
What are friction ridges?
This structure surrounds a fascicle in skeletal muscle.
What is the perimysium?
This lobe of the brain is primarily responsible for decision-making
What is the frontal lobe?
These immune cells produce antibodies
What are B cells?
This ear structure converts sound waves into neural signals.
What is the cochlea?
This organ system is responsible for producing vitamin D with sunlight
What is the integumentary system?