A substance present in the glomerular filtrate in the mammalian kidney is
glucose
fibrinogen
albumen
blood platelets
Correct answer is A
No explanation has been provided for this answer.
Which of the following structures is used for respiration in insects?
Lungs
Thorax
Cuticle
Spiracles
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements about the diaphragm of a mammal is not correct? it
separates the thorax and the abdomen
is a thick layer of muscle
is made of epithelial cells
is part of the human respiratory apparatus
Correct answer is C
No explanation has been provided for this answer.
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.