The pharyngeal arches give rise to the ____
a. spinal cord
b. neck
c. brain
d. heart
e. backbone
ANSWER: b
You might also like to view...
tRNA genes account for ________ percent of the human genome.
A) 0.001 B) 0.01 C) 0.1 D) 1
Which of the following is not a pinniped:
1.seal 2.sea lion 3.walrus 4.sea otter
Cone snails
a. are predatory. b. are marine. c. produce toxins used in feeding. d. have shells that are prized for their beauty. e. fit all of these descriptions.
Why is the pancreas both an endocrine and an exocrine gland?
A. because it produces both a neurotransmitter and a hormone B. because it produces more than one hormone C. because it is located within the abdominal cavity with ties to the gastrointestinal system D. because it has an outer cortex and an inner medulla E. because it produces at least one hormone that is delivered through a duct and one that is delivered to the bloodstream