The bicuspid (mitral) valve

A. is the location of the pacemaker cells of a normal heart.
B. prevents blood flow from the right ventricle to the right atrium.
C. prevents blood flow from the left ventricle to the left atrium.
D. prevents blood flow from the pulmonary artery to the right ventricle.
E. prevents blood flow from the aorta to the left ventricle.


Ans: C. prevents blood flow from the left ventricle to the left atrium.

Biology & Microbiology

You might also like to view...

Water transport in xylem depends on ____________. (Select all correct answer options.)

A. hydrogen bonding between H2O molecules B. turgor pressure accumulating in the roots C. osmosis across the vessel plasma membranes D. solar energy

Biology & Microbiology

Which of the following is NOT a structure of

the middle ear?

a. eardrum b. anvil c. hammer d. cochlea e. all of these are structures of the middle ear

Biology & Microbiology

Sponges belong to the phylum

A. Echinodermata. B. Platyhelminthes. C. Porifera. D. Chordata. E. Cnidaria.

Biology & Microbiology

What happens to nucleosomes during DNA replication?

What will be an ideal response?

Biology & Microbiology