-The Heart Rate in Figure 1 Is Closest to

question 12

Multiple Choice

-The heart rate in Figure 1 is closest to

• A)100.
• B)70.
• C)150.
• D)50.

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Definitions:

Guard Cells

Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange and water loss by controlling the size of stoma openings.

Vascular Bundle

Multistranded bundle of xylem, phloem, and sclerenchyma fibers running through a stem or leaf.

Endodermal

Relating to the innermost layer of the three primary germ layers in the embryo, giving rise to the gastrointestinal tract, liver, and lungs.

Mesophyll

Photosynthetic parenchyma of plants.