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The tiny hollow air sacs where oxygen exchange occurs are A. lymph nodes. B. capillaries. C. alveoli. D. bronchioles.
The tiny hollow air sacs where oxygen exchange occurs are Alveoli.
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sharpies|Points 8533|
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Asked 10/9/2012 2:14:08 PM
Updated 3/23/2017 11:44:07 AM
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This answer has been confirmed as correct and helpful.
Edited by yumdrea [3/23/2017 11:44:00 AM], Confirmed by yumdrea [3/23/2017 11:44:07 AM]
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An egg is released from the ovary but is not fertilized. Which process occurs about two weeks later? A. menstruation B. menopause C. luteal phase D. follicular phase
Weegy: The answer is C. luteal phase (More)
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Updated 10/8/2012 7:59:43 PM
1 Answer/Comment
An egg is released from the ovary but is not fertilized. About two weeks later ( menstruation ) occurs.
Added 10/8/2012 7:59:50 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [5/1/2014 1:11:14 AM]
Which gland secretes thyroxine? A. hypothalamus B. pituitary gland C. thyroid gland D. adrenal gland
Weegy: D. pituitary gland gland secretes growth hormone. pituitary gland, or hypophysis, is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is not a part of the brain. [ It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity (sella turcica) covered by a dural fold (diaphragma sellae). The pituitary is functionally connected to the hypothalamus by the median eminence via a small tube called the infundibular stem (Pituitary stalk). The pituitary fossa, in which the pituitary gland sits, is situated in the sphenoid bone in the middle cranial fossa at the base of the brain. The pituitary gland secretes nine hormones that regulate homeostasis. ] (More)
Question
Updated 3/17/2018 11:50:00 PM
1 Answer/Comment
Thyroid gland secretes thyroxine.
Added 3/17/2018 11:50:00 PM
This answer has been confirmed as correct and helpful.
The swelling and pain associated with inflammation are caused by the A. destruction of bacteria by white blood cells. B. expansion of local blood vessels. C. secretion of antibodies. D. secretion of antigens.
Weegy: B. expansion of local blood vessels. (More)
Question
Updated 3/13/2018 1:59:09 PM
1 Answer/Comment
The swelling and pain associated with inflammation are caused by the - Destruction of bacteria by white blood cells.
Added 3/13/2018 1:59:09 PM
This answer has been confirmed as correct and helpful.
Glands that release hormones into the blood are part of which system? A. digestive system B. endocrine system C. reproductive system D. nervous system
Weegy: D. nervous system (More)
Question
Updated 5/1/2014 1:10:53 AM
1 Answer/Comment
Glands that release hormones into the blood are part of the ENDOCRINE SYSTEM.
Added 5/1/2014 1:09:44 AM
This answer has been confirmed as correct and helpful.
In the kidneys both useful and wasteful substances are removed from the blood by A. reabsorption. B. excretion. C. filtration. D. respiration.
Weegy: In the kidneys both useful and wasteful substances are removed from the blood by filtration. (More)
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Updated 4/18/2015 2:29:15 PM
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