Essentially all exchange of gases and other materials between the circulatory system and tissues of the body or the outside world (e.g., in the lungs) occurs in the

A. capillaries.
B. arteries.
C. veins.
D. heart.
E. lymphatic system.


A. capillaries.

Biology & Microbiology

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Which part of the human brain controls thermoregulation?

A. the cerebrum B. the cerebellum C. the hypothalamus D. the pons E. the medulla oblongata

Biology & Microbiology

If water were being pushed from below, air bubbles in the xylem stream would not pose a problem. However, the observation that air bubbles can interrupt xylem function provides important evidence supporting the _______ theory of water movement.

A. gravity-suction B. active transport C. pressure-flow D. osmotic E. cohesion-tension

Biology & Microbiology

Which of the following statements about proteins is FALSE?

A) They are composed of amino acids. B) They have multiple levels of structural organization. C) They can be hydrophobic, hydrophilic, or both. D) Their primary function is energy storage. E) They are formed by dehydration synthesis reactions.

Biology & Microbiology

List the components of the glomerular filtrate and indicate where they can be found.

What will be an ideal response?

Biology & Microbiology