The ________ is a fibrous sac that holds the heart in the center of the chest cavity without hampering its movements, even when the heart is contracting vigorously

Fill in the blank(s) with correct word


pericardium

Biology & Microbiology

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Which of the following measurements cannot be determined by a spirometer?

A) vital capacity B) inspiratory capacity C) tidal volume D) inspiratory reserve volume E) residual volume

Biology & Microbiology

The evolutionary process by which species become adapted to use a shared limiting resource in a way that minimizes competition is known as:

a. competition b. social parasitism c. predation. d. mimicry e. resource partitioning

Biology & Microbiology

The first stage in the assembly of the spliceosome, the commitment complex, is also known as the

a. A complex. b. B1 complex. c. B2 complex. d. C1 complex. e. E complex.

Biology & Microbiology

The 1 Kb DNA ladder is mixture of

What will be an ideal response?

Biology & Microbiology