Sense Organs, taste buds are depicted in detail). The tongue consists of skeletal muscle, a lamina propria containing connective tissue and minor salivary glands, and stratified squamous epithelium.The 4X micrograph shows the rough dorsal surface as well as the mucous and serous glands present in the posterior tongue.
Answer: The correct answer is-
C. Insulin secretion in response to high blood sugar.
D. Increased heart rate in response to exercise.
F. Proton pumping to maintain a proper pH level.
Homeostasis can be described as a tendency of living organisms to maintain a state of stable internal environment. In other words, it is the tendency to resist any change in the optimal conditions for survival.
It is brought by several regulatory mechanisms in the body such as regulation of body temperature, regulation of pH, regulation of osmolarity etc.
- Whenever there is high blood sugar level, insulin hormone is secreted from pancreas that reduces the blood sugar level.
- Heart rate is increased in response to exercise so that more oxygen is transported through blood circulation and more amount of energy is harvested through cellular respiration in the form of ATP ( required in exercise).
- Pumping of proton maintains a proper pH level ( such as in lysosomes, where pH is highly acidic, high proton concentration is regulated through proton pumping).
Thus, option C), D), and F) are the examples of feedback mechanisms that help in maintaining homeostasis.
The answer is <span>B. fibrin.
Through the process of elimination: thrombin and thromboplastin are enzymes so these choices are incorrect. Platelets are actually cells, which leaves us B. fibrin as the correct choice.
</span>A fibrinogen is a protein involved in the formation of blood clot. It is converted by enzyme thrombin into fibrin during blood clot formation.
Answer:
I CAN UNDERSTAND SOME WORDS OF YUR QUESTION.
Explanation:
BUT MOST I HAVE NO CLUE.
I AM SO SORRY, BUT I CAN NOT UNDERSTAND SPANISH, YOU PROB CAN NOT UNDERSTAND ENGLISH EITHER, BUT IF U CAN, CAN U PUT QUESTION IN ENGLISH?
Answer:
Every so often news about a viral outbreak goes viral and catches widespread public attention in the media. Human immunodeficiency virus (HIV), West Nile virus, avian influenza (bird flu), Ebola, Middle East respiratory virus, and Zika virus have each become, in a flurry of headlines and broadcasts and interviews, the focus of the media’s spotlight. And then, like other crises, they fade from view leaving the public with a new health concern to worry about but little knowledge of the actual factors involved in the problem. Behind the scenes, however, scientists are continually at work trying to understand and defend against these insidious infectious agents.
Explanation: