What is the triple-layered muscle responsible for urinary bladder contractions?
internal urinary sphincter
urethral meatus
detrusor
trigone
detrusor
Anatomy & Physiology
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the brachioradialis muscle does which of the following actions?
a) supination of the forearm b) extension of the elbow c) pronation of the forearm d) flexion of the elbow
Anatomy & Physiology
The cerebral cortex consists of ______ matter
A. gray B. white
Anatomy & Physiology
Ingestion refers to the
A) progressive dehydration of indigestible residue. B) input of food into the digestive tract through the mouth. C) chemical breakdown of food. D) absorption of nutrients in the gut. E) mixing of nutrients with digestive enzymes.
Anatomy & Physiology
An antagonist to the gastrocnemius is the
A) fibularis. B) extensor digitorum longus. C) soleus. D) tibialis posterior. E) tibialis anterior.
Anatomy & Physiology