'Closed circulatory systems' diaporamas de présentation

Chapter 42

Chapter 42. Circulation and Gas Exchange. Overview: Trading Places. Every organism must exchange materials with its environment. Exchanges ultimately occur at the cellular level. In unicellular organisms, these exchanges occur directly with the environment.

1.06k views • 106 slides

Chapter 42

Chapter 42. Circulation and Gas Exchange. Overview: Trading Places. Every organism must exchange materials with its environment. Exchanges ultimately occur at the cellular level. In unicellular organisms, these exchanges occur directly with the environment.

1.22k views • 97 slides

Intro to the Circulatory System

Intro to the Circulatory System. Question of the Day: Do all animals have a circulatory system? Give support for your answer. Aquatic Organisms Without a Circulatory System. Goals for the Day.

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Gastrovascular Cavities

Gastrovascular Cavities. Simple animals, such as cnidarians , have a body wall only two cells thick that encloses a gastrovascular cavity This cavity functions in both digestion and distribution of substances throughout the body

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Vertebrate Closed Circulatory Systems

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Circulatory and Respiratory Systems

Circulatory and Respiratory Systems. Open and Closed Circulatory Systems. How do open and closed circulatory systems compare? In an open circulatory system, blood is only partially contained within a system of blood vessels as it travels through the body.

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Circulatory and Respiratory Systems

Circulatory and Respiratory Systems. Open and Closed Circulatory Systems. How do open and closed circulatory systems compare? In an open circulatory system, blood is only partially contained within a system of blood vessels as it travels through the body.

456 views • 38 slides

Chapter 42

Chapter 42. Circulatory System. Learning Objectives. TBD. Invertebrates with No Circulatory Systems. Simple invertebrates: sponges, cnidarians, and flatworms. Animal Circulatory Systems. Muscular heart pumps specialized fluid (such as blood ) through tubular vessels Blood

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Circulation in Animals

Circulation in Animals. All organisms exchange materials and energy with their environment Materials move across the cell membrane to cytoplasm and wastes move out of cell. Most animals have specialized organ systems to exchange materials with the environment.

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Why are nonvertebrates important?

Why are nonvertebrates important? . Why are nonvertebrates important? . Chordates. Tells us what is the connection between invertebrates and vertebrates is. Nonvertebrates. Tunicates -1,250 species. Lancelets -23 species . Station #1: Characteristics Common to All Chordates. a. . b. .

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Open and Closed Circulatory Systems

Open and Closed Circulatory Systems. Dot Point: Compare open and closed circulatory systems using one vertebrate and one invertebrate as examples. Open Circulatory Systems. Many invertebrates ( eg arthropods and molluscs) have open circ. systems (fig. 2.76a)

356 views • 9 slides