Blood returning to the mammalian heart in a pulmonary vein will drain first into the
A. left atrium.
B. right ventricle.
C. right atrium.
D. vena cava.
E. left ventricle.
Answer: A
You might also like to view...
Isotopes of atoms ____
a. have the same number of neutrons but a different number of protons b. behave the same chemically and physically but differ biologically from other isotopes c. are the same physically and biologically but differ from other isotopes chemically d. have the same number of protons but a different number of neutrons e. are produced when atoms lose electrons
Which of the following populations exhibits a type III curve?
1.A
2.B
3.C
The word anabolism refers to constructive, build-up, or synthesis reactions while the word catabolism refers to destructive, breakdown, or digestive reactions. What does it mean to say that in a cell, catabolism fuels anabolism?
a) Digesting food gives predators the ability to hunt more food. b) Cellular respiration (catabolism) forms the ATP that is used to power anabolic reactions. c) Photosynthesis produces fuel molecules that power cellular respiration. d) All molecules made in a cell must be broken down first before they can be remade. e) Plants don't need to perform catabolic reactions since they make ATP directly from sunlight.
Most of the neurons in the human brain are _____
A) sensory neurons B) motor neurons C) interneurons D) peripheral neurons