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Answers
Explanation:
A-1 Platelets are responsible for blood cloting white blook cells are part of immune system and fuction in immune response.
A-2 The heart rate and pulse rate differ is that heart rate measures the percentage of contractions of a heart. On the other hand pulse rate calculates the rate in which the blood pressure upsurges in the body.
A-3 Transpiration helps in the absortion and upward movement of water and minerals dissolved in it froms roots to the leaves.
A-4 Sweating helps cool down the body. Suring excercise muscles heat up more so more sweat is needed.
A-5 Some one celled and simple multicelluar aquatic organsims have no excretory organs in addition the salts in the water they countinually drink are excreted by special cells in their gills
Answer:
Q1
ans= They help the blood fight infection and other disease . Platelets are responsible for blood clotting
Q2
ans=A heart rate measure the heat beats of the heart whereas a pulserate measure the rate of blood pressure
Q3
ans=the upward movement of water and minerals in a plant through xylem is called ascet of sap during transpiration pressure in the internal roots due to water from near by tissue enters into xylem
Q4
ans=sweating helps cool down the body water is released through glandsin the skin evaporation the skin and body is cooled
Q5
ans=some one called and multicellular aquatic organisms have no excretory organs nitrogenous waste simply diffuse across the cell membrane into the aqueous environment