The double layered sac that surrounds the heart

and protects and anchors it is called the



a. peritoneum.
b. perineum.
c. pericardium.
d. peristalsis.
e. periwinkle


C

Biology & Microbiology

You might also like to view...

Select the potential problems with using current dispersal barriers (for example, a mountain range) to delineate biogeographical regions. Check all that apply.

_____ A barrier for one group of organisms may not be a barrier for another group of organisms. _____ The world's biota correspond more closely to political boundaries. _____ Global climate change may change the distribution of taxa and the size and/or location of some of the dispersal barriers. _____ Human conflicts lead to ever-changing political boundaries. _____ Distantly related organisms with similar appearance and habits may exist on either side of a dispersal barrier.

Biology & Microbiology

What color develops when biuret reacts with proteins in a sample?

a. Blue b. Blue-green c. Purple d. Red

Biology & Microbiology

The secretion of digestive juices is regulated by the ____________ system and ________ hormones

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following is an accurate description of the plasma membrane?

A) It is a phospholipid bilayer embedded with proteins. B) It is permeable to all substances. C) It is a solid material. D) It separates the nuclear contents from the environment.

Biology & Microbiology