Ventilating the gills by taking water in through the gill openings, as well as using the gill openings for water ejection, is not a very efficient way of doing things. Why, then, do adult lampreys ventilate their gills this way?
What will be an ideal response?
A lamprey is parasitic, with its mouth affixed to a prey animal to suck blood, so it cannot use its mouth to take in water.
Anatomy & Physiology
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Substances that cause an exaggerated immune response are called __________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Damage to which cranial nerve would be associated with both sensory and motor deficits?
What will be an ideal response?
Anatomy & Physiology
Oxytocin is a strong stimulant of uterine contraction and adheres to a positive feedback mechanism.
a. true b. false
Anatomy & Physiology
What is the structure that is responsible for secreting the hormone melatonin?
A) pineal gland B) cingulate gyrus C) mammillary body D) medulla oblongata
Anatomy & Physiology