Biology

Biology, 30.07.2019 18:00, Gabysh3794

Me 15. as blood moves through the circulatory system it moves through 3 types of blood vessels. 16. blood has 3 main functions, what are they? 17. blood consists of?

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Biology, 12.08.2019 23:20, kalcloud

Annelids have closed circulatory systems, meaning the blood moves through pressurized vessels. find the dorsal blood vessel and the ventral blood vessel. how does blood move from one to the other? blood is pumped by 5 vessels that encircle the esophagus—locate them. what structure in your body are these 5 pumping vessels analogous to? what are some evolutionary advantages of a closed circulatory system, over relying on diffusion through the body wall as in flatworms and nematodes?

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Biology, 25.09.2019 14:00, mella98

What is blood? blood is made up of liquid (plasma and various different types of cells. an average-sized man has about 5-6 liters of blood in his body; a woman has slightly less. where is blood found? blood is found in blood vessels. blood vessels (arteries, arterioles, capillaries, venues and veins take blood to and from every part of your body. blood is pumped through blood vessels by your heart. what is normal blood made up of? blood cells these can be seen under a microscope and make up about 40% of the blood's volume. blood cells are divided into three main types: ' red cells (erythrocytes. these make blood a red color. one drop of blood contains about five million red cells. a constant new supply of red blood cells is needed to replace old cells that break down. millions of red blood cells are made each day. red cells contain a chemical called hemoglobin. this binds to oxygen and takes oxygen from the lungs to all parts of the body. what is normal blood made up of? blood cells these can be seen under a microscope and make up about 40% of the blood's volume. blood cells are divided into three main types: ?

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Biology, 05.10.2019 02:40, sleepypizza

The cardiovascular system performs four main functions: first, of the heart generate blood pressure, which moves blood through the . *second, the blood vessels blood from the heart into arteries, capillaries, and veins. then, blood returns to the heart to complete the . *third, gas occurs in the capillaries, where oxygen is dropped off for the cells, and coâ‚‚ and wastes are picked up. *finally, the heart and blood vessels blood flow, according to the needs of the body.

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Biology, 10.10.2019 13:10, shadow6728g

Which statement best contrasts the respiratory and circulatory systems? a: the respiratory system moves oxygen, while the circulatory system moves blood. b: the respiratory system includes the heart, while the circulatory system includes veins. c: the respiratory system rids the body of waste, while the circulatory system pumps blood. d: the respiratory system provides nutrients, while the circulatory system controls blood flow.

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