Muscles are grouped in antagonistic sets because: A. muscles cannot lengthen by themselves. B. muscles push but cannot pull. C. they do not like one another. D. there is an increase in metabolic efficiency if they are present in antagonistic sets.

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Asked 4/22/2013 2:03:35 PM

Updated 7/26/2015 9:08:22 AM

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Edited by Janet17 [7/26/2015 9:08:22 AM]

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User: Muscles are grouped in antagonistic sets because: A. muscles cannot lengthen by themselves. B. muscles push but cannot pull. C. they do not like one another. D. there is an increase in metabolic efficiency if they are present in antagonistic sets.

Weegy: Antagonistic muscles are muscles that work in opposition to each other. For example, a person uses certain sets of muscles to open his hand and splay his fingers wide. [ In order to close the hand and make a fist, however, an antagonistic set of muscles would have to be used. These muscles are important for balance, extending limbs, holding objects aloft, and contracting limbs, among other things. ]
BreFrye01|Points 0|

User: Muscles are grouped in antagonistic sets because

Weegy: Antagonistic muscle: muscle that opposes the action of another) "the biceps and triceps are antagonistic muscles" Antagonistic muscles can be found all over the body. In the iris of the eye there are two sets of muscle. [ There are radial muscles which radiate from the pupil like spokes of a bicycle and there are circular muscles. The radial muscles make the pupil of the eye wider, while the circular muscles make the pupil smaller. ]
indi|Points 256|

User: Sperm cells are moved out of the testes in the: A. seminiferous tubules. B. fallopian tubes. C. cervical canal. D. vas deferens.

User: Sperm cells are moved out of the testes in the:

User: Which of the following most closely describes the cervix? A. A neck-like area of the ovary B. A region between the uterus and vagina C. A narrowed opening from the prostate gland D. An opening from the vagina to the outside

Weegy: B. A region between the uterus and vagina
maxcly|Points 60|

User: In most women's menstrual cycles, ovulation occurs: a. At the onset of the flow b. Halfway through the cycle c. Just after sexual intercourse d. Just following the last cycle

Weegy: In most women's menstrual cycles, ovulation occurs: the ovulation occurs after the follicular phase of the menstruation cycle.
Expert answered|b.mpineda|Points 30|

Question

Asked 4/22/2013 2:03:35 PM

Updated 7/26/2015 9:08:22 AM

3 Answers/Comments

Edited by Janet17 [7/26/2015 9:08:22 AM]

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Janet17

Muscles are grouped in antagonistic sets because: muscles cannot lengthen by themselves.

Added 7/26/2015 9:00:49 AM

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Janet17

Sperm cells are moved out of the testes in the: vas deferens.

Added 7/26/2015 9:04:12 AM

This answer has been confirmed as correct and helpful.

Janet17

In most women's menstrual cycles, ovulation occurs: Halfway through the cycle.

Added 7/26/2015 9:07:02 AM

This answer has been confirmed as correct and helpful.

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