Answer the following statements true (T) or false (F)

1.The renal artery delivers blood to the pancreas.
2.The sinoatrial node, also called the pacemaker, sets the tempo of the heart beat.
3.An irregular heartbeat in which the ventricles do not fill completely could be due to a malfunction in the atriventricular node.
4.Capillary beds are networks of capillaries that connect arterioles and venules.
5.Blood clotting is prompted by signals from the central nervous system.


1.FALSE
2.TRUE
3.TRUE
4.TRUE
5.FALSE

Biology & Microbiology

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The multiple genetic and environmental factors affecting complex traits imply that different people can have the same disease for different reasons

A. true B. false

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Which genetic condition is revealed in the karyotype display shown in the figure above?

a. Turner syndrome b. Down syndrome c. cri-du-chat d. Triple-X syndrome e. Klinefelter syndrome

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Which of the following does not stimulate the

production of males in water fleas? a. spring. b. warm water. c. salty water. d. high competition for resources. e. crowding.

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Low sperm ____________________ results in the inability of sperm to move through cervical mucus and reach the

egg in the oviduct Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology