Carcinogen
A chemical agent that causes cancer.
Cardiac muscle
A type of muscle that forms the contractile wall of the heart; its cells are joined by
intercalated discs that relay each heartbeat.
Cardiac output
The volume of blood pumped per minute by the left ventricle of the heart.
Cardiac muscle
The specialized striated muscle tissue of the heart; the myocardium.
Cardiovascular system
A closed circulatory system with a heart and branching network of arteries, capilleries, and
veins.
Carnivore
An animal, such as a shark, hawk, or spider, that eats other animals.
Carotenoids
Accessory pigments, yellow and orange, in the chloroplasts of plants; by absorbing
wavelengths of light that chlorophyll cannot, they broaden the spectrum of colors that can
drive photosynthesis.
Carotid arteries
Either of the two principal arteries on both sides of the neck that supply blood to the head
and neck. Also known as common carotid artery.
Carpel
The female reproductive organ of a flower, consisting of the stigma, style, and ovary.
Carrying capacity
The maximum population size that can be supported by the available resources, symbolized
as K.
Cartilage
A type of flexible connective tissue with an abundance of collagenous fibers embedded in
chondrin.
Cartilaginous
Having a skeleton consisting mainly of cartilage.
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