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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Exponential versus logistic growth. Exponential versus logistic growth.
Anatomy of the Lotka-Volterra equations for predator-prey population growth. Anatomy of the Lotka-Volterra equations for predator-prey population growth.
Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
Purple growth on mussels Purple growth on mussels
Policies on fertility and population growth Policies on fertility and population growth
Muscle Tissue Components Muscle Tissue Components
Video: Causes of Angina

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