17 results for “brain”
The Human Body
The Brain
brain is the organ that produces you. Cells that talk The brain is built from about
Article · 4 min read
The Human Body
The Senses
brain. You do not see with your eyes. You see with your brain, using your eyes
Article · 4 min read
The Human Body
Sleep and Dreams
brain switching off. In fact the sleeping brain is busy with work that it cannot do while
Article · 3 min read
Animals
The Octopus
brain. Severed arms continue to react to touch for hours. The brain sets goals; the arms
Article · 3 min read
Animals
Mammals
brain relative to body size. Three ways to be born Most mammals, including humans, dogs and whales
Article · 4 min read
Life & Biology
Evolution
brains, through larger-brained toolmakers, to our own species, Homo sapiens, which appeared about 300,000 years
Article · 4 min read
The Human Body
Digestion
brain's involvement. It communicates with the brain constantly, which is why anxiety causes a churning
Article · 4 min read
Animals
Birds
brains are small but densely packed, with twice as many neurons per gram as mammal brains
Article · 3 min read
The Human Body
The Heart and Blood
brain, and it will continue, without a single rest, for the whole of your life. About
Article · 4 min read
The Human Body
The Skeleton and Bones
brain and a frame for the face, with only one, the lower jaw, able to move
Article · 5 min read
Life & Biology
DNA and Genes
brain cell carry identical DNA; they differ because different genes are active. Some of the remainder
Article · 4 min read
The Human Body
Lungs and Breathing
brain, and so essential that the body cannot survive without it for more than a few minutes
Article · 4 min read
Plants & Fungi
Carnivorous Plants
brain of any kind. Suction The fastest hunters of all are nearly invisible. Bladderworts float in ponds
Article · 4 min read
Animals
Reptiles and Amphibians
brain, an ability scientists are studying for medicine. Frogs' calls, the chorus of a tropical night
Article · 3 min read
Matter, Energy & Physics
Sound
brain turns those vibrations into what you hear. Speed of sound Because sound needs something to travel
Article · 3 min read
The Human Body
Muscles
brain does not think about individual muscles; it thinks about movements, and circuits in the spinal
Article · 4 min read
Life & Biology
What Is Life? The Cell
brain, are never replaced and must last a lifetime. Cells also die on purpose. When a cell
Article · 4 min read
