At which point in the mammalian circulatory system does the partial pressure of oxygen in the blood experience its greatest increase?   A. in the arteries of the heart   B. in the pulmonary veins

Q: Which of the following organisms do not possess a pulmonary circuit?a. amphibiansb. reptilesc.…

A: In amphibians,reptiles and mammals the blood flow is directed in two circuits one through the lungs…

Q: What is the advantage of breathing through the nose rather than the mouth? a. The nose warms,…

A: The breathing can be defined as the inhaling of oxygen and removal of carbon dioxide out of the…

Q: Some animals use diffusion instead of a circulatory system. Examples include: a. birds and jellyfish…

A: Step 1 The circulatory system is a system connected with the flow of fluid in the body so as to…

Q: Which of the following statements is CORRECT? Select one: a. Reduction of atmospheric air pressure…

A: Alveoli are the sacs that are meant to bring about gaseous exchange from the blood. Alveolar PO2 is…

Q: Which is/are part of the respiratory membrane?   a. Plasma membrane of red blood cells   b. Type…

A: The respiratory system is responsible for the exchange of oxygen and carbon di-oxide between the…

Q: Which of the following is a true statement? A. The concentration of oxygen in water is greater than…

A: Answer D- Mammalian lungs require the diaphragm because the lungs are relatively stiff and filled…

Q: What has the highest affinity for oxygen?   a. Maternal hemoglobin without 2,3-bisphosphoglycerate…

A: Hemoglobin transports oxygen effectively by binding of oxygen to hemoglobin which was represented by…

Q: typical circulatory system consists of   a. a fluid and a series of conduits only.   b. a…

A: Circulatory system is a system in which the nutrients and other materials are circulated throughout…

Q: Respiratory organs of invertebrates and vertebrates are similar in that a. they use negative…

A: Breathing is described as the movement of air between the atmosphere and the lung. It involves two…

Q: Neural output from the brain stem regulated breathing including respiratory rate and depth. In a…

A: The phrenic nerve provides the primary motor supply to the diaphragm, which is the major respiratory…

Q: Which statement accurately explains why arterial walls are thicker than the walls of veins?   A.…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: Which statement describes how carbon dioxide exits the bloodstream at its final destination?

A: Diffusion is the process which resulting from random motion of molecules by which there is a net…

Q: The primary function of the pleural membranes is ____ A. to decrease friction and allow the lungs…

A: It is a thin  moist,  slippery membrane having an outer and an inner layer. Between the two layers…

Q: In some reptiles, the two layers of dura mater fuse together in the brain. What is a likely…

A: The dura mater is the tough outer layer of tissue that covers and protects the brain and spinal cord…

Q: Animals breathe in air that contains more oxygen than the air they breathe out. Where is oxygen…

A: Exchange of gases is known as breathing in animals.

Q: What produces the main driving force which drives quiet expiration? A. contraction of the…

A: C. Elasticity of the diaphragm muscle.

Q: During speech the circumference of the chest wall increases and decreases as it moves air in and out…

A: During speech the circumference of the chest wall increases and decreases as it moves air in and out…

Q: What is the evidence that the breathing rhythm in mammals originates in the brainstem?

A: Breathing rhythm is usually constant and regular for an individual. A rhythm with abnormally long…

Q: Question 4 of 25 Use the diagram to answer the question.     Some organisms use a single loop…

A: The single loop heart is found in lower organisms (fish), in which the blood pressure and oxygen…

Q: What is true about Myoglobin

A: Myoglobin is protein which helps to supply oxygen to cells in our body.  It found in heart muscle…

Q: All vertebrates breathe with either gills or lungs. Which is a property of gills only- O A. Gases…

A: The correct option is D - gaseous exchange across membrane that separate blood and water.

Q: Hemoglobin binds to oxygen in the blood of most chordates. The curve below shows the percentage of…

A: There are various factors that affect the binding of oxygen to hemoglobin. Thus these factors govern…

Q: A: Describe countercurrent exchange in your own words.

A: Most aquatic species have gills as their breathing systems. Mollusks and most amphibians have the…

Q: The muscles of an entropneust (acorn worm) pericardium are responsible for, which of the following…

A: Acorn worm, also known as an enteropneust, which belongs to the class Enteropneusta, phylum…

Q: Which of these is incorrect concerning inspiration?a. The rib cage moves up and out.b. The diaphragm…

A: Option c

Q: The mammalian circulatory system includes a four- chambered heart and a double-loop circulation. How…

A: The circulatory system, also known as the cardiovascular or vascular system, is an organ system that…

Q: There are advantages and disadvantages to using water or air as the respiratory medium from which an…

A: The respiratory medium for terrestrial animals is air and for most of the aquatic animals is water.…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.