the grasshopper has (open or closed) circulatory system
open
This organ filters out urea for us
kidneys
connects trachea to bronchiole tubes
bronchi
known as the master gland
pituitary
largest part of the human brain used for thinking and memory
cerebrum
this chamber sends the blood to the lungs
right ventricle
This organ produces urea for us
Liver
material that keeps open the windpipe
cartilage
this hormone regulates your metabolism
thyroxine
functional unit of the nervous system
neurons
circulatory path from heart to lungs
pulmonary
tubes from the kidneys to the bladder
ureters
proper name for air sacs
alveoli
raises blood sugar
glucagon
part of the brain that controls involuntary activity
medulla oblongata
helps red blood cells carry oxygen
hemoglobin
tight ball of capillaries in the nephron
glomerulus
membrane around the lungs
pleura
this gland regulates calcium and phosphate levels
Parathyroid
space in between neurons
synapse
a disorder having too many white blood cells
leukemia
Humans have nephrons to filter out urea. Earthworms have _______
nephridia
disease characterized by air sacs breaking open or losing elasticity
emphysema
the technical term for adrenaline
epinephrine
insulating material around the axon
myelin sheath