Match each of the terms with its definition or description.
a. artery
b. vein
c. capillary
d. tunica adventitia
e. tunica intima
f. tunica media
g. ductus arteriosus
h. ductus venosus
i. hepatic portal system
j. pulse
1. _____ Innermost layer of an artery or vein
2. _____ Expanding and recoiling of an artery due to the force of blood
3. _____ Blood vessels that carry blood away from the heart
4. _____ Blood vessel that allows fetal blood to bypass the immature liver
5. _____ Outermost layer of an artery or vein
6. _____ Blood vessel that allows fetal blood to bypass the lungs
7. _____ Blood vessel that carries blood back to the heart
8. _____ Second capillary bed in the liver, containing blood coming from the digestive system
9. _____ Muscle layer of an artery or vein
10. _____ Blood vessels that exchange substances between the blood and tissues
1. e. tunica intima
2. j. pulse
3. a. artery
4. h. ductus venosus
5. d. tunica adventitia
6. g. ductus arteriosus
7. b. vein
8. i. hepatic portal system
9. f. tunica media
10. c. capillary
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The apex of the ear hears sounds in the range of ________ Hz.
Fill in the blank(s) with the appropriate word(s).
Pinealocytes produce
A) MSH. B) FSH. C) LH. D) melanin. E) melatonin.
The ________ produces ribosomes
A) Golgi apparatus B) nucleolus C) rough endoplasmic reticulum D) nucleus
Where do most local potentials form in a neuron?
A. The trigger zone B. The neurosomas C. The Schwann cells D. The dendrites E. The axon hillock