Question 4 :
The blood from the heart is transported to all parts of the body by the ______.

Question 5 :
______ carry oxygen-rich blood from the heart to all parts of the body.

Question 8 :
The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in:

Question 9 :
Arrange the following statements in the correct order in which they occur during the formation and removal of urine in human beings. a) Ureters carry urine to the urinary bladder. b) Wastes dissolved in water are filtered out as urine in the kidneys. c) Urine stored in urinary bladder is passed out through the urinary opening at the end of the urethra. d) Blood containing useful and harmful substances reaches the kidneys for filtration. e) Useful substances are absorbed back into the blood.

Question 11 :
State True or False: Water and mineral nutrients are not assimilated by roots of the soil.

Question 12 :
Nutrients are carried along with water to the whole plant through the vascular tissue named ______.

Question 15 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbb9f59b460d7261ec8b.jpg' /> In the above image, match structures given in Column I with functions given in Column II.

Question 16 :
Name the process and the organ which help in removing urine wastes from the body.

Question 17 :
The heart is an organ which beats continuously to act as a pump for the transport of ______.

Question 20 :
Through ______, plenty of water is lost by plants during transpiration.

Question 22 :
State True or False: Urea and salts are expelled from the body with water as sweat.

Question 23 :
What happens to useful substances which are filtered along with harmful substances in kidneys?

Question 24 :
How many times did a heart beat in a minute on an average?

Question 25 :
Kidneys eliminate the waste materials in the liquid form called ______.