Transportation in Animals and Plants | Study

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Blood is the fluid which flows in blood vessels.

It transport substance like digested food from the small intestine to the other parts of the body.

Blood consists of plasma, RBC, WBC and platelets.

Blood is red due to the presence of a red pigment, haemoglobin which binds with oxygen and transport oxygen to various parts.

Heart rate:The human heart beats about 70 to 80 times per minute in an adult person. This is called heart rate.

Arteries carry blood from the heart to all parts of the body.

Veins carry blood from all parts of the body back to the heart.

excretion: Removal of waste products from the body is called excretion.

Excretory system of humans consists of two kidneys, two ureters, a urinary bladder, and urethra.

Salts and urea are removed along with water as sweat.

Fish excrete waste substances such as ammonia which directly dissolve in water.

Birds, insects and lizard excrete uric acid in semi-solid form.

Transportation in plants :

Water and mineral nutrients are absorbed by roots from the soil.

xylem: Nutrients are transported along with water to the entire plant via the vascular tissue called xylem.

phloem: The vascular tissue for the transport of food to the various parts of the plant is phloem.

A lot of water is lost by plants in the form of vapour through stomata during transpiration.

Transpiration generates a force which pulls up water absorbed by the roots from the soil, to reach the stem and leaves.