To review:
The difference between an open and closed circulatory system and the reason behind the inability of humans to function with an open circulatory system.
Introduction:
Different organisms possess different kinds of circulatory systems, which have evolved into two different types of the circulatory systems, which are closed and open circulatory system. Open circulatory system is one where body tissues and organs are surrounded by a fluid called hemolymph. This type of circulatory system is mainly found in invertebrates except for earthworm. The closed circulatory system has blood vessels. These blood vessels run transversely through the body and transport oxygen and blood to different organs.
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Biology: The Dynamic Science (MindTap Course List)
- How does an open circulatory system differ from a closed one? A)A closed circulatory system is completely encased in the body cavity whereas the open one is not. B)The open circulatory system has a combination of blood vessels and large thin-walled sinuses whereas a closed circulatory system has only vessels. C)An open circulatory system opens into the heart whereas the closed circulatory system does not. D)An open circulatory system drains into the mantle cavity whereas a closed circulatory system drains into the hemolymph. E)An open circulatory system opens into arteries and is drained by veins whereas in a closed one it is just the reverse.arrow_forwardThe three major parts of the circulatory system are the heart, the blood vessels, and the blood. The heart is an organ made up of specialized cells. Which of these functions can the heart perform that individual heart cells cannot? using energy pumping blood growing removing wastearrow_forwardMany invertebrates utilize the body cavity as a circulatory system. However, in humans, the body cavity plays no role whatsoever in circulation. Why?arrow_forward
- Some animals use diffusion instead of a circulatory system. Examples include: A. sponges and jellyfish B. flatworms and arthropods C. mollusks and annelids D. birds and jellyfisharrow_forwardBriefly describe the differences among animal circulatory systems. What is an open system versus a closed? What are the anatomical differences among vertebrate hearts?arrow_forwardSome animals use diffusion instead of a circulatory system. Examples include: a. birds and jellyfish b. flatworms and arthropods c. mollusks and jellyfish d. none of the abovearrow_forward
- Blood is a crucial component of the cardiovascular system. Beside each job, write which type of blood cell does that job. i. Carry Oxygen or food to your lungs. ii. Find germs. iii. Eats foreign things in your body. iv. Take Carbon Dioxide or waste away. v. Kill infections.What do you need to do to keep your heart healthy? Create a poster or brochure in which you describe the things a person can do to maintain good heart health.arrow_forwardWhat does the circulatory system form up of?arrow_forwardThe air we breathe in travels to our lungs where oxygen is picked up by our blood and then pumped by the heart to our tissue and organs. When a person experiences cardiac arrest, the heart goes from a normal beat to having an irregular rhythm and eventually ceases to beat altogether. This prevents oxygen from circulating throughout the body, rapidly killing cells and tissue. In essence, Cardio (heart) Pulmonary (lung) Resuscitation (revive, revitalize) serves as an artificial heartbeat and an artificial respirator. CPR may not save the victim even when performed properly, but if started within 4 minutes of cardiac arrest, a person has a 40% chance of survival You see a man collapse on close assessment, you realize the man has no movement and is not breathing. Recommend the first Aid you would give to this casualty clearly stating the CPR procedure? A nose bleed is when blood flows from one or both nostrils. It’s normally caused by the tiny blood vessels inside the nostrils being…arrow_forward
- Which feature is found in an open circulatory system but never in a closed circulatory system?arrow_forwardQuestion 4 of 25 Use the diagram to answer the question. Some organisms use a single loop circulatory system such as the one shown. How is the transport of gases in such a design different from that in the circulatory systems found in humans? A. The transport of gases is more efficient because oxygenated blood mixes with deoxygenated blood. B. The transport of gases is less efficient because oxygenated blood mixes with deoxygenated blood. C. The transport of gases is more efficient because the distance between the heart and the capillaries is shorter. D. The transport of gases is less efficient because the distance between the heart and the capillaries is shorter.arrow_forwardWhich one of the following combinations of the organisation of cells, tissues and organs is correct? J K L M Cells Muscle Blood cell Tracheid Bone Tissue Nervous Muscular Vascular Connective Organ Eye Brain Stem Heart In humans, the circulatory system contains a number of different transport vessels including arteries, veins and capillaries. There are two different types of capillaries involved in transporting materials. Which one of the following statements correctly identifies the type of capillary with its function? J. Blood capillaries are responsible for absorbing digested fat molecules in the villi of the small intestine. K. Lymph capillaries transport important molecules including oxygen to the brain. L. Blood capillaries are involved in the exchange of gases in the alveoli of the lungs. M. Lymph and Blood capillaries are both responsible for transporting red blood cells to the heart.arrow_forward
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