In annelids, simple reflexes occurring within a segment (i.e., without brain input) are possible because of ________; in vertebrates these reflexes are called ________.
Fill in the blank(s) with the appropriate word(s).
ganglia, spinal reflexes
Anatomy & Physiology
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The term cephalad means toward the tail end of the spine.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
The blind spot of the eye is caused by ________
A) the macula lutea interrupts the nerve pathway B) there are no photoreceptors where the optic nerve leaves the eye C) an absents of cones in the foveae D) more rods than cones within the retina
Anatomy & Physiology
The ion(s) or molecule(s) labeled E is (are)
A) CO2.
B) H2O.
C) O2.
D) H+.
E) 2H.
Anatomy & Physiology
The cytoplasm is made up of
A. organelles. B. Both cytogel and organelles. C. Both cytosol and organelles. D. cytosol. E. cytogel.
Anatomy & Physiology