Author Question: The circulatory system of bony fishes, rays, and sharks is similar to A) that o (Read 1019 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
The circulatory system of bony fishes, rays, and sharks is similar to
A)  that of birds, with a four-chambered heart.
B)  the portal systems of mammals, where two capillary beds occur sequentially, without passage of blood through a pumping chamber.
C)  that of reptiles, with one pumping chamber driving blood flow to a gas-exchange organ, and a different pumping chamber driving blood to the rest of the circulation.
D)  that of sponges, where gas exchange in all cells occurs directly with the external environment.
E)  that of humans, where there are four pumping chambers to drive blood flow.



coco

  • Hero Member
  • *****
  • Posts: 739

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

For a complete list of videos, visit our video library