Antibodies are produced when the body is exposed to A. white blood cells. B. receptor proteins. C. antigens. D. macrophages.

Question and answer

Question

Asked 5/6/2012 1:33:54 AM

Updated 4/2/2018 9:15:50 AM

0 Answers/Comments

This answer has been confirmed as correct and helpful.

Edited by Masamune [4/2/2018 9:15:30 AM], Edited by Masamune [4/2/2018 9:15:49 AM], Confirmed by Masamune [4/2/2018 9:15:50 AM]

Get an answer

Search for an answer or ask Weegy.

Original conversation

User: Antibodies are produced when the body is exposed to A. white blood cells. B. receptor proteins. C. antigens. D. macrophages.

Weegy: Antibodies are produced when the body is exposed to antigens.
selymi|Points 8182|

User: The body's most important nonspecific defense against pathogens is/are A. tears. B. mucus. C. saliva. D. skin.

Weegy: The body's most important nonspecific defense against pathogens is skin.
vandar|Points 911|

Question

Asked 5/6/2012 1:33:54 AM

Updated 4/2/2018 9:15:50 AM

0 Answers/Comments

This answer has been confirmed as correct and helpful.

Edited by Masamune [4/2/2018 9:15:30 AM], Edited by Masamune [4/2/2018 9:15:49 AM], Confirmed by Masamune [4/2/2018 9:15:50 AM]

New answers

Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment

Questions asked by the same visitor

Which is an example of positive gravitropism? A. the plant shoot growing up out of the soil B. the plant flower opening with the sunrise C. the plant root growing down into the soil D. the plant turning towards the sun

Weegy: The plant root growing down into the soil is an example of positive gravitropism. ' target=_blank rel='nofollow'>www.biologie.uni-hamburg.de%2Fb-online%2Flibrary%2Fcat-removed%2Fu3aos23.html&ys=5b76eb9a7f3af0b949785809dd20c4940f86c51d] (More)

Question

Updated 11/4/2016 7:29:52 AM

1 Answer/Comment

What is the liver an example of? A. a cell B. a tissue C. an organ D. an organ system

Weegy: hi the answer is c=organ system is to organ User: Why is an amoeba not an animal? A. It is asexual. B. It is unicellular. C. It is prokaryotic. D. It is autotrophic. User: What are collections of similar cells called? A. clones B. tissues C. organs D. organisms Weegy: C. an organ User: Multicellular organisms have many cells. What is the one other characteristic they must have before they can be called multicellular? A. The cells must be small. B. They must be autotrophs. C. They must be heterotrophs. D. The cells must be specialized. Weegy: B. They must be autotrophs (More)

Question

Expert Answered

Updated 11/4/2016 7:26:39 AM

4 Answers/Comments

Janet17

The liver is an example of an organ.

Added 11/4/2016 7:17:21 AM

This answer has been confirmed as correct and helpful.

Janet17

An amoeba is not an animal because: it is unicellular.

Added 11/4/2016 7:24:55 AM

This answer has been confirmed as correct and helpful.

Janet17

Collections of similar cells are called: tissues.

Added 11/4/2016 7:25:35 AM

This answer has been confirmed as correct and helpful.

Janet17

Multicellular organisms have many cells. One other characteristic they must have before they can be called multicellular is: The cells must be specialized.

Added 11/4/2016 7:26:39 AM

This answer has been confirmed as correct and helpful.

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. User: Which type of tissue is made of cells that contract and relax? A. nervous tissue B. epithelial tissue C. muscle tissue D. connective tissue

Weegy: Muscle tissue is made of cells that contract and relax. 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 User: Hemoglobin carries oxygen to the body's cells. Which system contains hemoglobin? A. nervous B. endocrine C. respiratory D. circulatory Weegy: The circulatory system contains hemoglobin. 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 (More)

Question

Updated 11/4/2016 7:11:18 AM

2 Answers/Comments

Totoro

The excretory system consists of kidneys, ureters, urinary bladder.

Added 11/4/2016 6:44:34 AM

This answer has been confirmed as correct and helpful.

Confirmed by Janet17 [11/4/2016 7:10:24 AM], Rated good by Janet17

Janet17

A group of organs that work together to perform a closely related function is called an organ system.

Added 11/4/2016 7:11:18 AM

This answer has been confirmed as correct and helpful.

How are organisms grouped in an ecosystem? A. by their movement B. by how they get their energy C. by how they migrate D. by how they produce

(More)

Question

Updated 1/26/2016 5:56:30 PM

1 Answer/Comment

emdjay23

Organisms are grouped in an ecosystem by how they get their energy.

Added 1/26/2016 5:56:30 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [1/26/2016 6:21:40 PM]

The circulatory, or cardiovascular system, is composed of A. heart, arteries and veins. B. lungs, heart and brain. C. heart, blood and blood vessels. D. lungs, blood vessels and heart.

Weegy: C. the heart, blood and blood vessels. The blood, heart, and blood vessels form the cardiovascular system. User: Blood cells are made in which system? A. skeletal system B. circulatory system C. muscular system D. nervous system Weegy: C. the heart, blood and blood vessels. The blood, heart, and blood vessels form the cardiovascular system. (More)

Question

Updated 3/21/2014 2:36:55 AM

1 Answer/Comment

jeifunk

Blood cells are made in circulatory system.

Added 3/21/2014 2:36:52 AM

This answer has been confirmed as correct and helpful.

31,239,875

questions answered

EARN

$ 1

PER STREAM.

Click here to learn more »

Share your beach.

W I N D O W P A N E

FROM THE CREATORS OF

weegy

WINDOWPANE is the live-streaming social network that turns your phone into a live broadcast camera for streaming to friends, family, followers, or everyone. Share what’s outside your window and all around you. Earn a little too.