Answer:
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. ... Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed.
Explanation:
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Cri is bad and I tried it I side
Answer:
– Natural exposure to infectious agent stimulates your own B cells to produce antigen-specific antibodies – Artificial immunization (vaccination) with key antigens or epitopes from an infectious agent does the same thing – Active immunization results in immunologic memory (more vigorous response next time)
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Answer:
The cause of bone fusion in joints damaged by rheumatoid arthritis is due to the over activity of the synovium.
Explanation:
Synovium -
Synovium is a lining that covers the joints of the body , which is responsible for lubrication of the joints and to move easily .
The disorder rheumatoid arthritis is caused by the over activity of this lining , as it swells out and becomes inflamed , and hence, can destroy the joint and even the ligament and the tissues .
The weakening of these ligament can lead to deformities like claw toe or hammer toe.
Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium
