What is the function of the brachial artery?
a. It receives blood from the brain.
b. It receives blood from veins of the upper body.
c. It services the cardiac muscle cells.
d. It delivers blood to the upper limbs.
e. It delivers blood to the head, neck, and brain.
d. It delivers blood to the upper limbs.
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Which of the following represents a kingdom?
a. Animalia b. Chordata c. Canis d. Canidae e. Mammalia
Evidence that all living cells have a common origin is best illustrated by the:a
basic similarities in cell structure and chemistry. b. fact that all new cells come from previously existing cells. c. cell theory, which states that the cell is the basic unit of life. d. fact that cells are the building blocks of the most complex plants. e. idea that cells are the smallest units that can carry out all life activities
In a hypothetical vegetable, blue seeds are dominant to orange. From which of the following descriptions can you NOT infer the genotype completely?
A. blue B. heterozygous C. orange D. pure-breeding blue E. pure-breeding orange
Compared to the vital capacity, how much air can lungs actually hold?
A) always less B) sometimes less C) always more D) sometimes more