Which of the following organs are used for gaseous exchange in a mature toad?
Gills, lungs, and eardrum
Lungs, mouth, and eardrum
Mouth, skin, and gills
Skin, lungs, and mouth
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements is not correct about the mammalian heart?
Oxygenated blood enters the left auricle from the pilmonary vein
the walls of the ventricle are thicker than those of the auricle
blood passes from of blood into the right ventricle to the left auricle through the aorta
the tricuspid valve prevents the back flow of blood into the right auricle
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not a skeletal tissue?
Plasma
Chitin
Cartilage
Bone
Correct answer is A
No explanation has been provided for this answer.
Anaerobic respiration results in the production of
more energy than aerobic respiration
no energy
an equal amont of energy to aerobic respiration
less energy than aerobic respiration
Correct answer is D
No explanation has been provided for this answer.
stop growing
grow rapidly
continue to grow normally
die completely
Correct answer is B
No explanation has been provided for this answer.