Multiple Choice
Circulatory systems ____.
A) are found in all animals
B) result in slow distribution of nutrients and gases
C) include one or more hearts
D) are always closed systems
E) are found in cnidarians and flatworms
Correct Answer:

Verified
Correct Answer:
Verified
Q89: During inhalation, the diaphragm moves _ and
Q90: In capillary exchange, osmosis takes place _.<br>A)
Q91: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8665/.jpg" alt=" -In the above
Q92: The respiratory pacemaker is located in the
Q93: Arteries carry _.<br>A) blood toward the heart<br>B)
Q95: About _ seconds into a cardiac arrest,
Q96: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8665/.jpg" alt=" -The structure labeled
Q97: The heart is surrounded by the _,
Q98: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8665/.jpg" alt=" -The structure labeled
Q99: Capillary walls consist of _.<br>A) stratified squamous