Answer:
Tissue ➡️ Bone Marrow
Organ ➡️ Bones
Organ System ➡️ Skeletal System, Human Body
Explanation:
Bone marrow is a tissue found in the bone. It is the spongy portion of the bone. It is the primary site of the production of new blood cell in birds and animals.
Bone is known to be a rigid organ which is found in the vertebrate skeleton. It houses the bone marrow and provides structure and support to the body.
The skeletal system and human body are known to be the organ system. The skeletal system provides the internal framework and structure for the human body. The human body contains other organ systems like nervous, respiratory, digestive, reproductive systems, etc.
Answer:
a) Potential Sources of confounding:
1) Pancreatic cancer patients were being compared with persons hospitalized for cancerous diseases. Coffee may likely aggravate the pains of pancreatic cancer patients unlike other cancer patients because the latter's cancer diseases were not digestive.
2) Unintended bias was introduced by investigators in questioning patients. The investigators asked questions on coffee drinking habits of those already hospitalized. This biased the drinking of coffee as a predisposing factor.
3) There could be differences among men and women because of other habits. While drinking more coffee predisposed women to cancer, according to the confounding statements, drinking even more did not have much difference in men.
Explanation:
"CRITICS SAY COFFEE STUDY WAS FLAWED" was an article in New York Times written by Harold M. Schmeck Jr. on June 30, 1981. It attempted to critique the study of drinking coffee and its disposal to cause cancer to the drinkers.
In this article, he introduced the views of critics of the Coffee Study which was earlier published in the New England Journal of Medicine and the accompanying refutal by the researchers.
However
consequently
nevertheless
<span>therefore
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Answer:
The Law provides the set of guiding principles for managing wildlife resources.
Explanation:
<em>Wildlife management</em> is the process of keeping wildlife populations especially endangered species that are prone to extinction at safe levels for posterity.
<em>Legal rulings and acts</em> have been used as key tools to providing proper wildlife management. These laws protect wildlife from <em>hunting, poaching, climate hazards and illegal wildlife trade.</em>
<em>Licensing</em> has been adopted as a wildlife management tool and has led to a control of the number of animals permitted to be hunted or moved for educational and scientific purposes.
These licences make hunters more easily identified.
