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What is the first activity of the digestive system? A. Digestion B. Ingestion C. Movement D. Absorption
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Asked 5/8/2012 10:21:10 AM
Updated 5/8/2012 10:39:22 AM
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User: What is the first activity of the digestive system? A. Digestion B. Ingestion C. Movement D. Absorption

Weegy: B. Ingestion
mayihelpyou?|Points 203|

User: What is the trachea commonly called? A. Voice box B. Vocal cord C. Windflute D. Windpipe

Question
Asked 5/8/2012 10:21:10 AM
Updated 5/8/2012 10:39:22 AM
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D. Windpipe. The trachea, commonly known as the windpipe, is a tube about 4 inches long and less than an inch in diameter in most people.
Added 5/8/2012 10:39:22 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [11/15/2014 8:21:52 AM]
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Questions asked by the same visitor
The walls of veins have the same three layers as the ________.
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Updated 12/4/2015 11:36:07 AM
1 Answer/Comment
The walls of veins have the same three layers as the arteries.
Added 12/4/2015 11:36:07 AM
This answer has been confirmed as correct and helpful.
How is cardiac muscle similar to smooth muscle?
Weegy: Compared to skeletal muscle, smooth-muscle cells are small. They are spindle-shaped, about 50 to 200 microns long and only 2 to 10 microns in diameter. They have no striations or sarcomeres. [ Instead, they have bundles of thin and thick filaments (as opposed to well-developed bands) that correspond to myofibrils. In smooth-muscle cells, intermediate filaments are interlaced through the cell much like the threads in a pair of "fish-net" stockings. The intermediate filaments anchor the thin filaments and correspond to the Z-disks of skeletal muscle. Unlike skeletal-muscle cells, smooth-muscle cells have no troponin, tropomyosin or organized sarcoplasmic reticulum. ] (More)
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Expert Answered
Updated 5/12/2012 5:22:21 PM
3 Answers/Comments
Cardiac muscle is similar to smooth muscle in that both are involuntary.
Added 5/8/2012 10:34:06 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [11/15/2014 8:22:58 AM]
@smp0784-the user asked for a comparison of cardiac and smooth muscle not skeletal and smooth.
Added 5/8/2012 10:35:17 AM
@Frankie17851- Thank you for the correction.
Added 5/12/2012 5:22:21 PM
What three processes does food undergo in the digestive system? A. Digestion, movement, absorption B. Digestion, elimination, restoration C. Digestion, absorption, elimination D. Digestion, absorption, restoration
Weegy: Three processes that food undergoes in the digestive system are: Digestion, absorption, elimination. User: Every ________, nerve impulses stimulate the breathing process, or ventilation, which moves air through a series of passages into and out of the lungs. A. 5 to 7 seconds B. 3 to 5 seconds C. 1 to 3 seconds D. 7 to 9 seconds Weegy: Every 3 to 5 seconds, nerve impulses stimulate the breathing process, or ventilation, which moves air through a series of passages into and out of the lungs. User: Which organ is NOT a part of the digestive system? A. Esophagus B. Gallbladder C. Kidneys D. Mouth (More)
Question
Updated 11/15/2014 8:19:51 AM
1 Answer/Comment
The kidneys are NOT a part of the digestive system.
Added 11/15/2014 8:19:51 AM
This answer has been confirmed as correct and helpful.
The respiratory conducting passages are divided into the ________. A. Upper and lower respiratory tract B. Posterior and exterior respiratory tract C. Internal and external respiratory tract D. Left and right respiratory tract
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Updated 11/15/2014 8:26:26 AM
2 Answers/Comments
A. Upper and lower respiratory tract
Added 8/21/2012 8:26:57 AM
The respiratory conducting passages are divided into the: Upper and lower respiratory tract.
Added 11/15/2014 8:26:26 AM
This answer has been confirmed as correct and helpful.
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