How does oxygen get into the bloodstream of the fish? What does "counter-current" mean with respect to fish gills

Q: Briefly describe the mechanism involved to maximize the oxygen-carbon dioxide exchange in a fish.

A: Oxygen is crucial for fish’s life, as fishes live in water, they need to use the oxygen dissolved in…

Q: erculum (gill cover), tie a string around its tail, and tow it backwards through the ter for…

A: Normally during exchange of gases in fishes, oxygen-rich water enters through the mouth and pumps…

Q: Describe 3 physiological adaptations that enhance depth and duration of diving in animals such as…

A: The adjustment of the species to its environment is called an adaptation; it results from natural…

Q: how did ancient fish make the evolutionary jump from gills to lungs

A: The “Age of fish”, the Devonian period, is marked by the diversification of various fishes, that are…

Q: What is the differencebetween octopuses andmussels regarding theircirculatory systems? Howdoes that…

A: Octopoda is part of the Cephalopoda class which means that pulp is cephalopod.  Cephalopoda is a…

Q: Why is oxygen important for animals to survive?

A: Introduction :- There are two types of Respiration :- aerobic and anaerobic respiration . Aerobic…

Q: Describe some structural and functional features that are commonto all gas-exchange surfaces in…

A: The respiratory framework is a natural framework comprising of explicit organs and designs utilized…

Q: How does the swim bladder varies in different aquatic environments?

A: The swim bladder or air bladder is an internal gas filled organ that contributes to the ability to…

Q: What adaptations in aquatic birds and mammals help meet the challenges of osmoregulation and…

A: The maintenance of salt and water concentration across the membranes of the body is known as…

Q: Compare respiration among flatworms, insects, fish, and mammals.

A: In mammals, the air is taken in from the external environment to the lungs. Flatworms have pores…

Q: Gills are absent in some young organisms but develop later life as the animal grows. What is the…

A: Lower organisms use simple diffusion for their oxygen demands higher organisms have special organs…

Q: What is the effect of epinephrine and acetylcholine in trout with hypoxic levels? Explain.

A: Gill lamellae are very vital part of fish because they help to increase the surface area for gas…

Q: What structures are involved gas exchange in animals? O gills O lungs allantois chorion

A: Respiration is a biochemical process of oxidation of organic compounds in an orderly manner for the…

Q: Explain countercurrent flow. How does it help make the fish gill the most efficient respiratory…

A: Counter-current flow is can be defined as the two-phase flow regime in which the working fluids flow…

Q: How many steps (inhalations/exhalations) are needed to complete one ventilatory cycle in birds? 3…

A: Introduction Inspiration (or inhalation) and expiration (or exhalation) are the two phases of…

Q: Describe the respiratory system of birds and how it allows oxygen-rich air to enter the lungs during…

A: Birds are warm-blooded organisms with hollow bones.

Q: How is the respiratory system in aquatic molluscs characterized? What adaptive respiratory structure…

A: Mollusca is a phylum of invertebrate organisms that generally lives in marine habitat. Molluscs can…

Q: When researchers first discovered that airflow through a bird’s paleopulmonal parabronchi is…

A: If we have a tendency to assume the blood flow is in some sense one-way relative to the long axes of…

Q: What are the respiratory organ in animal kingdom?

A: Animal kingdom includes all animals of the world including primitive extinct animals to modern…

Q: ow does the number of fish affect dissolved oxygen through the process of respiration?

A: Dissolved oxygen is the amount of oxygen dissolved in water by the action of aerating winds.  Oxygen…

Q: If the gas gland in a marine bony fish becomes over active, thus allowing more oxygen through than…

A: Gas gland, also known as gas bladder or swim bladder is an internal organ only present in marine…

Q: Define the term “exchange surface” and list four common features of gas-exchange organs in animals.

A: Answer

Q: How do Po2 and Pn2 change with increasing depth? What are the consequences for human divers as a…

A: The inhaled air is a mixture of gases, and the pressure contributed by a single gas in the mixture…

Q: circulation in fish, amphibians and mammals. a brief explanation of how circulation takes place in…

A: Fish have a two-chambered heart with unidirectional circulation. Amphibians have a three-chambered…

Q: How do 2 different animals perform positive pressure and negative pressure breathing?

A: The process of breathing is based on the difference in air pressure between the environment and the…

Q: what are 2 factors that contribute to the efficiency of gas exchange in fish gills and why are they…

A: Fishes use specialized surfaces called gills to carry out the gaseous exchange.

Q: How does an aquatic animal offset the decrease in oxygen levels in warmer water? A. by increasing…

A: In water, the oxygen is present in a dissolved form that is not easy to extract for the fishes…

Q: Why is the position of lung tissues within the body an advantage for terrestrial animals?

A: Terrestrial organisms like birds, and insects utilize the surrounding air to exchange gases required…

Q: How is the respiratory system of insects (with its independence between circulation and respiration)…

A: The respiratory system of insects is separate from their circulatory system. It functions for…

Q: Grasshopper (Cont.) What is the nature of the nervous system in the grasshopper and how does it…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: Sharks and bony fishes approach or achieve neutral buoyancy in different ways. Describe the methods…

A: Fish are gill bearing aquatic animal that lack limb and digits. Fishes are heavier than water that…

Q: Crayfish have gills but open circulatory systems, whereas squid have gills but closed systems. What…

A: Squids have gills , they use gills to take oxygen from seawater for respiration. The seawater enters…

Q: Perch, Frog and Pig. 1. Why do these organisms require a specialized organ to increase surface area…

A: Introduction  Respiration is an important phenomenon for every organism present on earth though the…

Q: How is the circulatorysystem of reptilescharacterized? What is thebasic difference between…

A: Reptiles are tetrapod animals, which belong to the class Reptilia. They include turtles, crocodiles,…

Q: How does acclimation give an animal some degree of independent oxygen uptake?

A: Oxygen is one of the elements with the symbol O and has the atomic number 8.

Q: Why are these respiratory structures associated with a large blood supply?

A: Perch,frog and pig respiratory system works with the circulatory system to provide oxygen &…

Q: fishes swim bladders

A: Swim bladder is located in the dorsal cavity lying just under the spinal cord in the coelomic cavity…

Q: If you compare your rate of breathing by feeling your chest movement with the number of times a fish…

A: The process of breathing refers to the movement of air inside and outside of the lungs for the…

Q: If a lung were to be found in a mollusk, where would it be located (incurrent siphon/mantle cavity/…

A: Mollusks are the members of phylum Mollusca. It is the second largest phylum of the invertebrates.…

Q: With the aid of schematic diagrams, comparatively, discuss the differences between the opercular and…

A: Buccal suction Respiration is also known as Active Ventilation while in opercular respiration…

Q: Which animal have no blood but they respire?

A: Respiration or ventilation is the process of gas exchange. The respiratory system has a series of…

Q: During exercise—as compared with rest—what are the aspects ofblood O2 transport that can be modified…

A: The system is made up of the heart, blood vessels, blood, blowhole, trachea, bronchi, and lungs,…

Q: Adaptations for low oxygen in – inverts, goldfish, turtles

A: Inverts:- all those organisms lacking vertebra column comes under the category of inverts i.e.…

Q: With unidirectional flow, fish can arrange the blood flow in their gills so that they can extract…

A: Fish is an aquatic organism which  utlises  the dissolved oxygen present in water.

Q: Describe how gas gradients arise; apply them to fish

A: Introduction  Cellular respiration is the process by which cells convert energy-rich molecules…

Q: Describe structural and functional differences between gills and lungs (ie. know the anatomy of…

A: The process of moving air out and in the lungs to permit gas exchange with the internal environment,…

Q: All mammals breathe through the lungs, as with mammals that live in the sea such as whales. How does…

A: Whales are mammals that breathe air through lungs.  Everybody has misconception that whale is fish…

Q: Why do you think "warm-blooded" mammals (humans, dogs, otters, etc.) have nasal conchae but…

A: Introduction :-  Warm-blooded mammals (humans, dogs, otters, etc.) are capable of maintaining a…

Q: How does a frog ventilate its lungs? Contrast an amphibian’s positive-pressure breathing with a…

A: Amphibians' lungs can vary from one species to another. For example, salamanders have simple,…

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.