The heart is comprised of 4 chambers. The upper is called the atria (plural) and the lower are the ventricles. Blood flows into the right atrium (singular), then is pumped into the right ventricle. The right ventricle continues the flow, pumping the blood into the lungs where it receives oxygen. From there, it flows into […]
The Flagfin Angelfish is found along the East African coastline, to Sri Lanka and the Maldives and the western topical Pacific including southern Japan and Australia. It is a medium to hard fish to keep. It is more likely to thrive in a reef-type system with plenty of invertebrate-encrusted live rock. Younger specimens and specimens […]
Some breeds of dogs are sighthounds and use their eyes to follow prey. Eyesight in general is not one of a dog’s stronger senses. Dogs have what is known as dichromatic vision. Besides shades of grey and black and white, they see two primary colors – yellow and blue. Old television sets were analog and […]
