Question

-6. The red colour of the blood is due to the presenc
7. Excretion of wastes in unicellular organisms tak
8. Getting rid of waste materials in living beings is
9. Most liquid wastes are excreted through the
10. Skin helps in the excretion of water and
11.In man, carbon dioxide is excreted through
12. Kidneys are made up of a number of filters calle
13. Kidneys are connected to the urinary bladder by​

Answer 1

Answer:

3 sin 3 B + 2 cos (2 B + 50)

2 cos 3 B - sin (2B - 10°)

when B = 20°.

Answer 2

Answer:

6. Due to the presence of Hemoglobin.

7. Their wastes are directly removed through the cell membrane.

8. The process is known as Excretion.

9.Most liquid wastes are excreted from urinary bladder and urethra,which is produced in kidneys.

10.Skin plays a role in excretion through the production of sweat by sweat glands

11. Your lungs excrete carbon dioxide as you breathe out.

12. Each of your kidney is made up of about a million filtering units called Nephrons.

13. Two ureters are connected.

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