The human ____ system is a series of organs responsible for taking in oxygen and expelling carbon dioxide.
A. circulatory
B. digestive
C. nervous
D. respiratory
Đáp án: D
Giải thích:
A. thuộc về tuần hoàn
B. thuộc về tiêu hóa
C. thuộc về thần kinh
D. thuộc về hô hấp
Dịch câu: Hệ thống hô hấp của con người là một loạt các cơ quan có nhiệm vụ lấy oxy và thải khí cacbonic ra ngoài.
Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
Listen! There's someone at the door. I ____ the door for you.
In under a minute, your ____ can pump blood to bring oxygen and nutrients to every cell in your body.
Skeletal system of the body is made up of our ____. It supports our body and protects our organs
____ system of the body lets us break down the food we eat and turn it into energy.
Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
The controller of the body is the ____ system. Led by the brain and nerves, it allows us to move, talk and feel emotions.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.