Download Britannica Illustrated Science Library Human Body II by Inc. Encyclopaedia Britannica PDF

By Inc. Encyclopaedia Britannica

Show description

Read Online or Download Britannica Illustrated Science Library Human Body II PDF

Best science studies books

Engineering science

Engineering technological know-how is a finished textbook compatible for all vocational and pre-degree classes. Taking a widely used method, the fundamental medical ideas engineering scholars desire for his or her stories are offered subject by way of subject. in contrast to nearly all of texts on hand in this topic, invoice Bolton is going past the center technology to incorporate the mechanical, electric and digital rules wanted within the majority of classes.

Plant Survival: Adapting to a Hostile World

In contrast to animals which may run from possibility or migrate to a extra hospitable surroundings, vegetation needs to depend upon variations that let them to outlive the place they're. The mechanisms that crops hire to outlive are defined and illustrated during this primer.

In the Backyard (Under the Microscope)

As you glance on your yard, you might even see timber, grass, and different vegetation and animals that stay there. yet do you know that your yard is domestic to billions of microorganisms? within the yard delves into the microscopic lifestyles kinds that inhabit your yard, from the plant cells that convert solar into foodstuff to the protozoa inhabiting the soil and water puddles.

Animals (Let's Look)

This interesting new sequence makes use of colourful pictures, basic textual content labels, and enjoyable "I undercover agent" video games to introduce curious preschoolers to the area.

Additional info for Britannica Illustrated Science Library Human Body II

Sample text

The inferior vena cava takes deoxygenated blood returning from the lower trunk and limbs to the right atrium. branches out from the right ventricle. Each branch takes deoxygenated blood to the lungs. The pulmonary artery is the only artery that transports deoxygenated blood. When the blood pressure in the pulmonary artery increases, the walls thicken. The blood pumped by the heart is reduced. WIDENING VESSELS Chest pains could be a warning sign that the cardiac muscle is not receiving enough blood to keep up with the demands of the work it is doing.

This disease in humans is caused by two subspecies of protists of the genus Trypanosoma: T. brucei gambiense and T. brucei rhodiense. T. brucei gambiense causes a chronic disease that develops over several years and is found mostly in central and western Africa. The disorder caused by the T. brucei rhodiense has the same syndrome but develops in weeks in countries of southern and eastern Africa. The infection in humans is caused by the bite of an insect, the tsetse fly. 1 Upon feeding, the insect injects thousands of parasites in the metacyclic trypomastigote stage, which enter the human blood.

As rheumatoid arthritis develops over time, the tissues of the eyes, skin, heart, nerves, and lungs may be affected. or more of the mineral density of the bone is lost through the degeneration of osteoporosis. WITH OSTEOPOROSIS CARTILAGE REDUCED MASS 2 BONE FRACTURE The cartilage is worn away down to the bone and breaks its surface. From this erosion, a hole appears. New blood vessels begin to grow. To fill the gap, a plug develops that is made up of fibrocartilage. BONE SYNOVIAL CAPSULE SYNOVIAL FLUID CARTILAGE 3 EXPOSED BONE The plug disappears and leaves the bone surface exposed.

Download PDF sample

Rated 4.84 of 5 – based on 36 votes
 

Author: admin