« previous next »

Author Question: A thick, slippery secretion of ________ forms a protective layer, preventing the destruction of the ... (Read 75 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Aug 20, 2018
A thick, slippery secretion of ________ forms a protective layer, preventing the destruction of the stomach lining from strong digestive juices.
 
  A. mucus
  B. pepsin
  C. hydrochloric acid
  D. bicarbonate

Question 2

The blood brings water and waste products that it has removed from cells to the ________ for excretion from the body.
 
  A. large intestine
  B. kidneys
  C. heart
  D. small intestine


kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Aug 20, 2018
Answer to Question 1

ANS: A

Answer to Question 2

ANS: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

The meninges. This figure illustrates the location and structure of each layer of the meninges and t The meninges. This figure illustrates the location and structure of each layer of the meninges and t
The peptidoglycan layer of Gram-positive bacteria The peptidoglycan layer of Gram-positive bacteria
Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid
Permafrost: Top layer temperatures increased by as much as 3˚C Permafrost: Top layer temperatures increased by as much as 3˚C
Control of Hormone Secretion Control of Hormone Secretion
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ... A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...
Video: Genetics of Cancer

For a complete list of videos, visit our video library