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Drinking and smoking while pregnant are known harmful effects on a developing baby in the womb.

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10y ago

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When would exposure to a potentially harmful substance be most likely to damage many organs in a developing embryo?

Exposure to a harmful substance during the first trimester of pregnancy is most likely to damage many organs in a developing embryo since this is the period when organs are forming. Any disruption during this critical period can have long-lasting effects on the overall development of the fetus.


What is the name for a harmless substance that when taken by a patient is associated with harmful effects due to negative expectations or the psychological condition of the patient?

Placebo effect.


What substance surrounds a developing mammalian embryo during gestation?

The placenta.


How would harmful substances in the mothers blood reach the embryo in her uterus?

Harmful substances in the mother's blood can reach the embryo in her uterus through the placenta. The placenta acts as a barrier between the mother and the embryo, but certain toxic substances can cross this barrier and enter the embryo's bloodstream, potentially causing harm to the developing fetus.


What harmful effect can tar have on the human body?

Tar is the sticky substance that is found on tobacco leaves, when smoked this sticky substance coats the inside of your lungs and ball sack- preventing oxygen from reaching the circulatory system.


What is the the substance called in an animal ovum consisting of fat and nourishes the embryo?

yolk


What is biodegrade able substance?

A biodegradable substance is a substance that decays into the environment with no harmful effects on the environment.


What substance is a waste that would normally diffuse across the placenta from the embryo to the mother?

glucose


Where would you find a harmful substance?

kitchen..:)


What is the definition to toxin?

A toxin is a harmful substance produced by living organisms that can cause harm or disease when introduced into a body. Toxins can come from various sources such as plants, animals, bacteria, or fungi and can have different effects on the body depending on their type and concentration.


What are harmful toxins?

well harmful toxins is a poisonous substance that are within other organism.


Are all intravenous drugs harmful?

Actually drug is a substance used a medicine. Medicines are prescribed by the Doctors for panacea of diseases. However overdose of medicine may be harmful to health. Homeopath medicines have no side effect and are not harmful at all. There are some syrups which have alcoholic contents, which are used by addicts for intoxication. On the above pretext, all the drugs are not harmful.