صوت مشترك

1. Octopuses have three hearts – Two pump blood to the gills, while the third pumps it to the rest of the body. Interestingly, the heart that pumps to the body stops beating when the octopus swims. 2. Bananas are berries, but strawberries aren’t – Botanically speaking, a berry is a fruit produced …

1. Octopuses have three hearts – Two pump blood to the gills, while the third pumps it to the rest of the body. Interestingly, the heart that pumps to the body stops beating when the octopus swims. 2. Bananas are berries, but strawberries aren’t – Botanically speaking, a berry is a fruit produced from a single ovary. Bananas fit this definition, while strawberries are “aggregate fruits” made from multiple ovaries.