★ Heart and Blood Vessels Quiz
Letter D is pointing to
A. Aorta
B. Right Pulmonary Artery
C. Superior Vena Cava
D. Pulmonary Trunk
Select your answer:
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Cell and Tissue › ViewGuard cells and stoma are found in which part of the plant?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Epidermis
Warm up › View
Making muscles, tendons and ligaments more elastic can help to..?
A. Increase heart rate
B. Prepare the mind for exercise
C. Increase breathing rate
D. Reduce chance of injury