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  • Comparative Circulatory System 1-Station Kit with Dissection Tools

Comparative Circulatory System 1-Station Kit with Dissection Tools

Item # 221048 Exclusive
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Students compare and contrast the open circulatory system of the crayfish and the simple closed circulatory system of the earthworm. Closed circulatory systems are explored as they dissect a squid containing multiple single-chambered hearts, a frog with a single 3-chambered heart, and a pig heart that represents the 4-chambered heart of mammals and birds.

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$43.00

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Overview

Working in groups of 4, students investigate various types of circulatory systems as they dissect 4 different specimens and 1 mammalian heart. Students compare and contrast the open circulatory system of the crayfish and the simple closed circulatory system of the earthworm. Closed circulatory systems are explored further as they dissect a squid containing multiple single-chambered hearts, a frog with a single 3-chambered heart, and a pig heart that represents the 4-chambered heart of mammals and birds. The physiology of each circulatory system, along with its advantages and disadvantages, are described and lead to further discussions of evolution and form and function. The student guide provides detailed dissection instructions and labeled illustrations. The kit is designed for a single group of 4 students or as a classroom demonstration and includes a dissection instrument set.

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Product Families Featuring This Item:

 

What's Included

Components Qty Included?
Earthworm, Injected 1 Included
Squid, Double-Injected, 12–16” 1 Included
Crayfish, Single-Injected, 4”+ 1 Included
Carolina’s Perfect Solution® Frog, Double-Injected, 4–5” 1 Included
Carolina’s Perfect Solution® Pig Heart 1 Included
T-Pins, #28 1 Included
Absorbent Pad 6 Included
Foam Tray, 7-1/2 × 9” 6 Included
Scissors, Surgical, 4-1/2” 1 Included
Forceps, Fine Point, 4-1/2” 1 Included
Surgeon’s Scalpel with Blade No. 22 1 Included
Plastic Handle Teasing Needle, Straight 1 Included
Plastic Handle Teasing Needle, Curved 1 Included
Mall Probe and Seeker, 6” 1 Included
Dissecting T-Pins 6 Included
Transparent Vinyl Ruler 1 Included
Dropping Pipet 1 Included
Dissection Tool Plastic Storage Case 1 Included
Teacher’s Manual with Reproducible Student Guide 1 Included

Resources

Lab & Classroom Safety Information

Instruction Manuals & Buying Guides

Product Feature Videos

Sample Teacher Manuals

 

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Standards

Correlations to State Standards

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