Answer:
a The pulmonary artery carries deoxygenated blood.
Explanation:
This is the the only artery that transports deoxygented blood in mammals. specifically it carry deoxgenated blood from the the atria to the pulmonary circulation. That is to the lungs for the exchange of the C02 in the deoxygenated blood with oxygen in the lungs.
The blood thus become oxygenated,and therefore return through the pulmonary veins to the left ventricle.
From the left ventricle ,through ventricular systole,blood is empty into the aorta through the aortic valves into the systemic circulation.
Although,they carry blood away from the heart,but the blood is de oxygenated instead of the usual oxygenated by arteries,They are still regarded as arteries because of convey of blood away from the heart,a typical role of arteries
Answer:
The correct answer is - flatworms and roundworms.
Explanation:
Helminths are the group of free living and some are parastic organisms present in aquatic, terrestrial environment or in animals or plants respectively. parasitic helminths are the group of worms or organisms that lives inside the GI tract or other parts of the body of host and makes them weak. The two major groups of parasitic helminths are -
Flatworms (platyhelminths) is a parasitic helminths, have leaf like body which is thin and segmented while roundworms or nematode have cylindrical and unsegmented body.
Thus, the correct answer is - flatworms and roundworms.
The expression or comment "Brain Freeze" means that the roof of your mouth is getting so cold that its affecting some of the nerves in your brain making it feel like a brain freeze.
The answer is D, serving as a primary source of energy for the body.