Transport in animals

Topics

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Sample objectives

What this unit covers

• Circulatory systems: Explain the circulatory system, highlighting its network of blood vessels, the role of the heart as a pump, and the function of valves to maintain unidirectional blood flow.
• Heart: Recognize the components of the mammalian heart in diagrams and images, including the muscular wall, septum, left and right ventricles, left and right atria, one-way valves, and coronary arteries.
• Heart: Indicate that blood is transported away from the heart through arteries and returns via veins.
• Blood vessels: Explain the structure of arteries, veins, and capillaries, focusing on the thickness of their walls, the size of their lumen, and the existence of valves in veins.
• Blood vessels: Discuss how the design of arteries and veins is connected to the blood pressure they carry.
• Blood: Enumerate the elements that make up blood, which include red blood cells, white blood cells, platelets, and plasma.
• Blood: Recognize and label red and white blood cells in images and diagrams.