A Digestive Tract Is Complete If It

question 55

Multiple Choice

A digestive tract is complete if it

• A)possesses specialized regions for different digestive tasks.
• B)produces acids and contains enzymes.
• C)is a one-way tube with a mouth and an anus.
• D)is surrounded by muscle.
• E)uses the same opening for ingestion and egestion.

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Definitions:

Walking Skills

The abilities or techniques associated with locomotion on foot, which can vary widely among different organisms and developmental stages.

Synaptic Connections

The points of contact where signals are transmitted between neurons or between neurons and other cell types.

Synaptic Plasticity

The ability of synapses, the connections between neurons, to strengthen or weaken over time, in response to increases or decreases in their activity.

Choroid Plexus

A network of cells in the ventricles of the brain responsible for producing cerebrospinal fluid.