The diagram below is an illustration of the longitudinal section of a mammalian organ. Study it and answer this question.
What is the main function of the organ?
Excretion
Respiration
Reproduction
Locomotion
Correct answer is A
No explanation has been provided for this answer.
The diagram below is an illustration of the longitudinal section of a mammalian organ. Study it and answer this question.
Which of the labeled parts is the cortex?
I
II
III
IV
Correct answer is D
No explanation has been provided for this answer.
The blood vessel that carries blood from the alimentary canal to the liver is the
hepatic artery
hepatic vein
hepatic portal vein
mesenteric artery
Correct answer is C
The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents.
Radius and ulna are bones of the
pectoral girdle
upper arm
pelvic girdle
lower arm
Correct answer is D
Our forearm contains two long parallel bones: the ulna and the radius. The ulna is the longer and larger of the two bones, residing on the medial (pinky finger) side of the forearm.
greater amount of DNA is involved in sexual reproduction
gametes of parents have different genetic composition
genetic materials come from parents of two different species
sexual reproduction is a lengthy process
Correct answer is B
No explanation has been provided for this answer.
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