food tube connecting the mouth to the stomach
enzyme in saliva that breaks the chemical bonds between the sugar monomers in starches
rhythmic muscular contractions that squeeze food through the esophagus into the stomach
large muscular sac that continues the mechanical digestion of food
mixture of stomach fluids and food produced in the stomach by contracting stomach muscles
digestive organ in which most chemical digestion takes place
gland that produces hormones that regulate blood sugar; enzymes that break down carbohydrates, proteins, lipids, and nucleic acids; and sodium bicarbonate, a base that neutralizes stomach acid
large organ just above the stomach that produces bile, a fluid loaded with lipids and salts
folded projection that increases the surface area of the walls of the small intestine
colon; organ that removes water from the undigested materials that pass through it
organ that removes urea, excess water and other waste products from the blood and passes them to the ureter
tube that carries urine from the kidney to the urinary bladder
small independent blood-filtering unit in the renal cortex of the kidney
small network of capillaries encased in the upper end of a nephron
cup-shaped structure in the upper end of a nephron that encases the glomerulus
process by which fluid from the blood filters into bowman's capsule in the kidney's
process by which most of the material removed from the blood at bowman's capsule makes its way back into the blood
tube through which urine and semen are released from the body
one of the hundreds of tiny tubules in the testes in which sperm are produced
structure in the male reproductive system in which sperm fully mature and are stored
tube that carries sperm from the epididymis to the urethra
cluster of cells surrounding a single egg in the human female reproductive system
process in which an egg is released from the ovary
one of the two fluid-filled tubes in human females through which an egg passes after its release from an ovary
organ of the female reproductive system in which a fertilized egg can develop
last phase of the menstrual cycle, during which the lining of the uterus along with the blood and unfertilized egg, is discharged through the vagina
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.