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Animals

Across
Primary component of the exoskeleton of arthropods.
Surface to _____ ratio limits how large a cell can be.
Cell type responsible for conducting nervous impulses.
Characteristic shared by smooth and cardiac muscles.
____ or ecdysis is needed for animals with exoskeleton to grow.
The type of bone cell that breaks down bone tissue.
A characteristic of animals shared with plants and fungi.
The protein that makes muscles red.
___- feedback loop is when the outcome or product of a series of events slows down or inhibits the process.
Animals, like fungi, are heterotrophs. However, unlike fungi, they ______ their food.
_____must be removed for the muscle to relax.
Animals with this type of symmetry perceive their environment from all directions.
Down
The thick filament.
An animal that maintains a relatively constant body temperature.
The ___ plane divides an animal in dorsal and ventral.
The type of skeleton found in an earthworm
The brain and spinal cord.
The hummingbird is an example of an animal that is ______ and poikilotherm
The unit of muscle contraction.
A squirrel is likely to have a _____ BMR than a horse.
Characteristic shared by skeletal and cardiac muscles.
The side with the tail.
____ cells support nerve cells.