Which of the following have a four chambered heart? Choose all that apply. snakes & lizards crocodiles and birds O frogs fish and sharks mammals

Which of the following is the correct sequence of blood flow in mammals? 1 2 3 4 pulmonary artery ⠀⠀ right atrium vena cava right ventricle

Which of the following vertebrates has a single-circuit circulatory system? Check all that apply.      A tuna     A lungfish     A shark     A snake     A bird     A frog

In order for VO2 to increase which of the following changes must occur: Group of answer choices A decrease in RER A decrease in heart rate An increase in cardiac output A decrease in extraction of oxygen from the blood none of the above all of the above

Which of the following statements best summarizes the function of the pulmonary circuit in a human circulatory system?   Question 26 options:   Filters waste products from the blood.   Transports carbon dioxide to the lungs and picks up oxygen from the lungs.   Transports oxygen through the heart, lungs and body tissues.   Transports oxygen and nutrients to body tissues.

Which of the following is NOT a part of all circulatory systems?   1.something to cause force/pressure 2.vessels 3.a fluid that moves throughout the body 4.blood

I believe it’s the first choice but not confident

Which circulatory system do you think is most efficient at delivering oxygen rich blood to the tissues of an animal? O Gastrovascular system seen in most Cnidarians O Closed circulatory system seen in vertebrates O Open circulatory system seen in many arthropods

Following the blood from the heart to your foot, write in the arteries below. Blood leaves left ventricle and enters the 1 becoming the 3 branch from this vessel is called 5 It then enters the 2 I pass through the diaphragm and becomes the 4 and goes into the chest The first The next branch off this vessel goes to the intestines and is called 6. continues down the abdominal cavity until it splits into 2 vessels called the 8 into 2 vessels. One leads to the pelvic cavity 9 cavitiy and becomes the 11 The next vessels to branch off and go to the kidneys 7 Now the vessels These vessels branch exits the abdominal and the other 10 This vessel goes behind the knee and becomes the 12 It divides into 2 vessels one goes behind the tibia 13 and the other in front of the tibia 13 Vessel 13 leads to anterior surface of foot and is called 14 here to search 55°F 144 ㅇ

Choose all answers that are correct. There can be more than one correct answer. A few veins carry blood away from the heart. Veins always carry blood to the heart Arteries always carry oxygenated blood. A few veins carry oxygenated blood. Most veins carry deoxygenated blood Arteries always carry blood away from the heart The high pressure in veins help blood return to the heart. veins have valves to prevent backflow of blood