test Flashcards
what is amylase
an emzyme that breaks down complex carbohydrates
physical digestion begins in
the mouth
chemical digestion is in the mouth too because
the secretion of the saliva
the amount of blood pumped to the heart each minute
cardiac output
the amount of blood pumped with each heartbeat
strokwe volume
frogs belong to
phylum chordata and class amphibia
amphibian means
dual life
frog skin is
smooth , permeable to water
why is frog skin covered in mucus
to prevent drying out on land
why is frog skin loose
difficult for predators to keep hold .
what do white blood cells do
White blood cells are part of the body’s immune system. They help the body fight infection and other diseases.
what do red blood cells do
A type of blood cell that is made in the bone marrow and found in the blood. Red blood cells contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body.
the frogs liver produces
bile that is stored in the gall bladder
