8 results for “blood pressure”
The Human Body
The Heart and Blood
Pressure and health Blood pressure is the force of the blood against the artery walls, highest
Article · 4 min read
The Human Body
The Senses
blood pressure; others in the brain monitor temperature and the chemistry of the blood, producing thirst
Article · 4 min read
The Human Body
Muscles
blood pressure, making the hairs on your arms stand up. You cannot control it and rarely
Article · 4 min read
Animals
Reptiles and Amphibians
blood pressure, diabetes and pain. The frog in the pond and the lizard on the wall
Article · 3 min read
The Human Body
Skin, Hair and Nails
blood vessels, nerve endings, sweat glands, oil glands and the roots of hairs. Below it, a layer of fat cushions the body and helps keep heat in. Colour and sunlight Skin colour
Article · 3 min read
Animals
Sharks
blood at concentrations of a few parts per billion, and their nostrils are so sensitive to timing that they can tell which side a scent reached first and turn toward it. They
Article · 3 min read
Planets & the Solar System
Mars
blood. Through telescopes it showed polar caps that grew and shrank with the seasons and dark markings that some astronomers, as late as the 1900s, took for canals built by a dying
Article · 4 min read
Space & the Universe
The Life of a Star
pressure to resist gravity. A passing shock wave, perhaps from a nearby exploding star, nudges a clump into collapsing. As it shrinks it heats up, and after a few hundred thousand years
Article · 3 min read
