Biology glossary

process of converting inorganic CO2 gas into organic compounds

enzyme that catalyzes carbon dioxide and water into carbonic acid

protease that breaks down peptides to single amino acids; secreted by the brush border of the small intestine

filling and emptying the heart of blood by electrical signals that cause the heart muscles to contract and relax

muscle tissue found only in the heart; cardiac contractions pump blood throughout the body and maintain blood pressure

the volume of blood pumped by the heart in one minute as a product of heart rate multiplied by stroke volume

specialized heart muscle cell that is striated but contracts involuntarily like smooth muscle

animal that consumes animal flesh

photosynthetic pigment (yellow-orange-red) that functions to dispose of excess energy

single unit of the pistil

eight bones that comprise the wrist

membrane protein that moves a substance across the plasma membrane by changing its own shape

number of individuals of a species that can be supported by the limited resources of a habitat

type of connective tissue with a large amount of ground substance matrix, cells called chondrocytes, and some amount of fibers

joint in which the bones are connected by cartilage