Transportation
Transportation: Overview
This Topic covers sub-topics such as Blood Pressure, Human Heart, Platelets, Xylem, Sphygmomanometer, Veins, Vessels, Blood Clotting, Arteries, Capillaries, Transpiration, Lymph, Blood Vessels, Aorta, Pulmonary Circulation, Pulmonary Arteries and, Phloem
Important Questions on Transportation
Observe the following diagram and identify the process and its significance from the following options :
In which of the following groups of organisms, blood flows through the heart only once during one cycle of passage through the body?
Assertion (A): Capillaries have walls that are just one cell thick.
Reason (R): Exchange of material between the blood and surrounding cells takes place across the capillaries.
Oxygen, mostly, is carried by a pigment in our blood whereas carbon dioxide is transported in dissolved form in our blood.
Give two reasons that make the above statement correct.
Look at the diagram below carefully.
Identify the process taking place at Z.
What are the parts of the xylem and phloem? Explain each parts.
How does transpiration produces cooling effect?
Movement of the synthesised products from the leaves to the roots and other parts of a plant’s body takes place through the phloem. This process is known as
Why do large animals cannot carry out respiration without the help of circulatory system?
Veins, arteries and capillaries are channels that carry blood throughout your body. Though we need heart for proper functioning of blood throughout the body. Explain.
Read the following statements and choose the correct option
Statement A: Reptiles have a 3-chambered heart, except crocodiles, which have a 2-chambered heart.
Statement B: Superclass Pisces shows single circulation as opposed to class Aves which shows double circulation.
Why does left ventricle have only oxygenated blood?
The force regulates the conduction in xylem and phloem is adhesive or cohesive?
Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by
Where does pulmonary and systemic transport of blood takes place?
_____ (AV Node/SA Node) is the reserved pacemaker.
Blood pressure is measured with an instrument called a sphygmomanometer.
Assertion: Blood clotting prevents leakage of blood from the site of an injury.
Reason: It reduces the loss of blood from the system.
