by rabbiweiner | Feb 16, 2017 | Wonders of Hashem's Design
Bones are the framework for your body. If you did not have them, you would lie nearly motionless on the floor like a jellyfish. Your 206 bones are all perfectly shaped to do the right job and in the right way. Each bone is somewhat different from all the others, yet...
by rabbiweiner | Feb 13, 2017 | Wonders of Hashem's Design
There are several other complicated body systems, such as the skin and the reproductive system, but we will conclude this chapter with the nervous system. Without nerves, your body could not send, relay, or receive any signals. Without nerves, you could not think or...
by rabbiweiner | Nov 24, 2016 | Wonders of Hashem's Design
Pit vipers detect heat using specialized pit organs located between the eyes and nostrils. Many animal “sixth senses” help animals find food. For example, snakes known as pit vipers and pythons, as well as some boas, use infrared detectors called pit...
by rabbiweiner | Nov 24, 2016 | Wonders of Hashem's Design
Sharks, as well as many other vertebrates that live in the water, can locate other creatures with the aid of electroreception. This means they can detect electrical impulses. Sharks detect bioelectric fields with sensory cells, called ampullae of Lorenzini....
by rabbiweiner | Nov 24, 2016 | Wonders of Hashem's Design
Even when your world is full of light, it can be difficult to find your way. An impressive method of navigation, used by pigeons, is called magnetoreception. Homing pigeons can detect the earth’s magnetic field and use it as a map to find their way home using...
by rabbiweiner | Nov 24, 2016 | Wonders of Hashem's Design
Animals that fly by night and can’t rely on vision need an alternative way to navigate safely without relying on their eyes. Bouncing sound waves off nearby objects is a handy way to move around if you have the right equipment. Bats do, and scientists are still...