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Germs: Bacteria, Viruses and Fungi
Germs, characterized as viruses, bacteria, and fungi, are different in size and shape, structure, reproduction methods, hosts, and the diseases or infections they cause.
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Heart Anatomy
The cardiovascular system employs the heart and blood vessels essential to the constant supply of oxygen and life-sustaining nutrients needed for life of all living animals.
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Neurons
The functioning unit of the nervous system is comprised of neurons. These nerve cells are responsible for sending and receiving neurotransmitted signals for pain, touch, emotion, and memory.
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Mercury Poisoning
Mercury (quicksilver) can cause serious threats to human and pet health and contaminate the environment. Be aware of common household sources of mercury and how to clean up a hazardous mercury spill such as a broken thermometer.
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Ich in Freshwater Fish
Freshwater Ich is a protozoan disease that is often called 'white spot disease' and is the most common disease to infect freshwater fish. Caused by Ichthyophthirius multifiliis, this disease is similar to saltwater ich.
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