5. Describe the composition of blood.
7. Describe how human body gets rid of wastes through excretion with the help of a
Diagram
Answers
Answered by
0
Answer:
It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss.
Explanation:
Although the kidneys are the main organs of excretion, the skin, lungs and liver also help in excretion. Skin: Our skin has sweat glands, through which we excrete small amounts of water, urea and salts. ... The lungs help in getting rid of carbon dioxide, formed as a result of cellular respiration, through exhalation.
Answered by
0
Answer:
Blood is a specialised body fluid.
Explanation:
It has four main components:Plasma,red blood cells, white blood cells and platelets. Blood has many different functions including, transporting oxygen and nutrients to lungs and tissues
Similar questions