Sunday
April 20, 2014

Homework Help: Biology

Posted by mysterychicken on Friday, March 19, 2010 at 6:06pm.

14. Which of the following is the blood vessel with the largest diameter?
a. capillary
b. artery
c. vein
d. venule
Not sure...?

16. As a defense against pathogens, mucous membranes
a. cover all of the body's surfaces to act as an impenetrable barrier
b. line internal body surfaces that contact the environment
c. produce antibodies to combat infection
d. secrete sweat, which has antibacterial enzymes
B? I'm stuck between that and A

26. Which vessels carry deoxygenated blood?
a. the pulmonary arteries
b. the pulmonary veins
c. parts of the aorta
d. part of the atria
?

28. The final function of the digestive system is
a. absorption
b. ingestion
c. climination
d. peristalsis
A?

Thanks
-MC

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