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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

The following terms describe types of body movement that occur at the diarthrotic joints The following terms describe types of body movement that occur at the diarthrotic joints
The heme group is present in myoglobin, hemoglobin, and many other proteins The heme group is present in myoglobin, hemoglobin, and many other proteins
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han
The Laocoön Group, Roman copy, perhaps after Agesander, Athenodorus, and Polydorus of Rhodes. The Laocoön Group, Roman copy, perhaps after Agesander, Athenodorus, and Polydorus of Rhodes.
Students working in a group Students working in a group
Video: Rh blood type and complications during pregnancy & Fertilization

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