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Cells that relay information gained from the environment to the brain are called A. fibroblasts. B. macrophages. C. chondrocytes. D. neurons.
Sir/Madam, the answer is letter "D. neurons"
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User: Which organ system is responsible for transporting oxygen throughout the human body? A. digestive system B. respiratory system C. circulatory system D. excretory system

User: Cells that relay information gained from the environment to the brain are called A. fibroblasts. B. macrophages. C. chondrocytes. D. neurons.



Weegy: Sir/Madam, the answer is letter "D. neurons"
Expert answered|beboythewizkid|Points 1018|

User: The excretory system consists of which of the following organs? A. stomach, liver, pancreas B. lungs, nose, trachea C. kidneys, ureters, urinary bladder D. brain, spinal cord, sense organs

Weegy: Sir/Madam, THe answer is letter "C. kidneys, ureters, urinary bladder"
Expert answered|beboythewizkid|Points 1018|

User: A group of organs that work together to perform a closely related function is called a(n) A. organ system. B. organism. C. tissue. D. cell.

Weegy: Sir/Madam, The answer is letter "A. organ system"
Expert answered|beboythewizkid|Points 1018|

User: Which of the following tissue types is made of cells that can expand to cross the entire human body? A. nervous tissue B. epithelial tissue C. muscle tissue D. connective tissue

Weegy: Sir/Madam ,The answer is letter "C. muscle tissue"
Expert answered|beboythewizkid|Points 1018|

User: Which of the following is an example of epithelial tissue? A. bone B. skin C. fat D. muscle

Weegy: Sir/Madam, THe answer is letter "B. skin "
Expert answered|beboythewizkid|Points 1018|

User: Cell is to tissue as A. organ system is to organ. B. tissue is to organ. C. cell is to organ system. D. organ system is to tissue.

Weegy: Sir/Madam, The answer is letter "C. cell is to organ system"
Expert answered|beboythewizkid|Points 1018|

User: Which human body system is responsible for transporting nutrients to the cells? A. circulatory B. integumentary C. respiratory D. digestive

Weegy: Sir/Madam, THe answer is letter "A. circulatory "
Expert answered|beboythewizkid|Points 1018|

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Asked 12/14/2011 8:40:31 AM
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Which of these sets of physical characteristics is used to classify animal groups? A. body size B. number of legs C. body cavity type D. method of reproduction
Weegy: Sir/Madam, The answer is letter "B. a true body cavity, but no organs." User: An animal without a body cavity is called A. atypical B. acentric C. acoelomic D. asymmetrical Weegy: User: An animal without a body cavity is called A. atypical B. acentric C. acoelomic D. asymmetrical Weegy: C.Acoelomate animals [ ] User: A difference between coelomates and pseudocoelomates is that A. one has bilateral symmetry and one does not. B. pseudocoelomates have a true coelom. C. the gut of a pseudocoelomate is surrounded by the body cavity, and the gut of a coelomate is surrounded by the mesoderm. D. the gut of a pseudocoelomate is surrounded by the endoderm, and the gut of a coelomate is surrounded by the ectoderm. (More)
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Asked 12/14/2011 6:37:55 AM
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What are collections of similar cells called? A. clones B. tissues C. organs D. organisms
Weegy: B. tissues User: What is the liver an example of? A. a cell B. a tissue C. an organ D. an organ system Weegy: C. an organ User: Which animal contains one body opening that serves as both mouth and anus? A. cow B. human C. sponge D. flatworm (More)
Question
Expert Answered
Updated 12/14/2011 7:40:38 AM
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[Deleted]
Added 12/14/2011 7:34:59 AM
D. flatworms. Flatworms has a single opening that functions as both mouth and anus.
Added 12/14/2011 7:40:38 AM
All animals A. have a blastula. B. have ectoderm, endoderm and mesoderm. C. reproduce asexually. D. are heterotrophs.
Weegy: All animals A. have a blastula. User: A typical cell in an animal's body is considered A. haploid. B. diploid. C. photosynthetic. D. prokaryotic. Weegy: B. diploid User: A true coelom A. is located between the ectoderm and mesoderm. B. becomes the cavity within the digestive tract. C. develops completely within the mesoderm. D. develops between the mesoderm and the endoderm User: Animals that have their body parts arranged around a central point are A. spherically symmetrical. B. bilaterally symmetrical. C. radially symmetrical. D. asymmetrical. Weegy: Animals that have their body parts arranged around a central point are: C. radially symmetrical. (More)
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Asked 12/14/2011 6:57:35 AM
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Many animals have body symmetry with distinct front and back ends. This type of symmetry is A. unilateral symmetry. B. bilateral symmetry. C. asymmetry. D. radial symmetry.
Weegy: Asymmetry. User: Which of the following presents the correct order of organization, from smallest to largest, in an organism like an animal? A. organism ?organ system ? organ ? tissue ? cell B. organism ? organ ? organ system ? tissue ? cell C. cell? tissue ? organ ? organ system? organism D. cell? organ ? tissue ? organ system? organism Weegy: hi the answer is c=organ system is to organ User: An animal in which the space between the body wall and gut is completely filled with tissues and organs is called a(n) A. vertebrate. B. pseudocoelomate. C. coelomate. D. acoelomate. Weegy: D. acoelomate. User: Development of a true coelom A. exists in all animals. B. occurs in radially symmetrical animals. C. is located within the endoderm. D. protects internal organs. Weegy: C. is located within the endoderm. User: An animal without a gut would be considered A. pseudocoelomic. B. acoelomic. C. coelomic. D. heterotrophic. Weegy: B. acoelomic. User: Animals are often grouped as A. vertebrates or invertebrates. B. heterotrophs or autotrophs. C. walkers or crawlers. D. swimmers or runners. Weegy: A. vertebrates or invertebrates. User: All animals are A. land-dwelling multicellular heterotrophs. B. capable of walking on legs. C. multicellular, heterotrophic and lack cell walls. D. unicellular or multicellular, heterotrophic and lack cell walls. (More)
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Asked 12/14/2011 6:45:01 AM
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