1. Describe how gas exchange occurs at the gills of the fish.

Q: ___________ are to lungs as ____________ are to kidneys.     alveoli, neuron     alveoli, nephrons…

A: Lungs are the part of respiratory system. Whereas kidney is the part of excretory system.

Q: During expiration, the diaphragm A. contracts and moves downwards B. relaxes and moves upwards C.…

A: The diaphragm is a thin muscular membrane that is present at the base of the chest and separates the…

Q: 3.What important strategy would you used to build truama resilency?

A: Building trauma resilience refers to the process of developing the psychological, emotional, and…

Q: 2. Recalling the whole organism and observing the cross section, are organs for gas exchange…

A: There is no organs present for gas exchange.

Q: 2. What happens to the size of the individual cells of the blastula as the number of cells…

A: Blastula consists of cells called blastomeres. Blastula has a centrally fluid-filled cavity called…

Q: 14. Trace the route of inspired air in humans from the nostrils to the smallest chamber of the…

A: Lungs are essential parts of the respiratory system. A pair of lungs in humans are formed in such a…

Q: How does the countercurrent exchange system increase the efficiency of gas exchange between a fish’s…

A: Counter-current mechanism It is a physiological process responsible for high osmotic concentration…

Q: 8. The pharynx communicates with the following part, except A. orbital cavity B. laryngeal cavity C.…

A: Pharynx is the common passage for food and air. Hence, it is a part of digestive as well as…

Q: Compare the number and type of chambers found in fish, toad and human hearts – how do they differ?…

A: Humans and the majority of other animals depend on their hearts to stay alive. Examining the…

Q: 6. Describe some respiratory and cardiovascular adaptations enabling dolphins to stay underwater for…

A: Respiration:It is a biochemical process which produces energy. In this process, cells of an organism…

Q: 3. Conduct online research for information on hyperventilation. Prepare an information sheet that…

A: Hyperventilation is referred to rapid or deep breathing, that is usually caused by anxiety or panic.…

Q: A simple and cost-effective method for reducing the risk of hypostatic pneumonia in a bedridden…

A: A kind of pneumonia called hypostatic pneumonia, commonly referred to as bedridden pneumonia or…

Q: Mycobacterium tuberculosis is a common respiratory pathogen; why?

A: Tuberculosis is a very common disease in the developing countries and is caused by mycobacterium…

Q: .The lungs are divided into sections called A. mesenteries B. lobules C. secondary bronchi D.…

A: Lungs: They are a pair of respiratory organs. They lie in the thoracic cavity on either side of the…

Q: 3. A) Where is the frog's heart compared to its lungs? Describe (2T) B) How do the locations of…

A: 1.) Frog's Heart is beneath the breast bone in the chest cavity of the frog . Sac like lungs are…

Q: 6.Where in the lung does the exchange of gases with the blood occur?

A: Lungs are the primary organ of the respiratory system, which governs the exchange of oxygen from the…

Q: water vascular system of Sea Stars (Class Asteroidea) and the hemal system of solitary tunicates…

A: The water vascular system is present in sea stars as well as the hemal system of solitary tunicates.…

Q: 3. In a clinical setting, urine is often examined under a microscope. What information about a…

A: Urine -  is a liquid by-product of metabolism in humans and in many other animals.  Urine…

Q: 2.In which organ is swelling most likely occurred upon acute inflammation occurs, which may cause…

A: Asphyxia can be the  result from drowning, asthma, choking, strangulation, seizure, drug overdose,…

Q: Prepare an information sheet that describes the causes and symptoms of hyperventilation.

A: Hyperventilation is a type of breathing which is deep and is more rapid then usual breathing pattern…

Q: 7. List two origins of disease patterns that may in turn affect lung function.

A: Introduction: The respiratory system is divided into two parts:  Upper respiratory tract: It…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.