Answer this question plz
Answers
(A) Ans
=> Arteries
• Function - Involved in carrying pure oxygenated blood.
• Walls - Consists of three distinct layers, which are rigid, thicker and highly muscular.
• Position - Located deep within the body.
• Colour - Red in colour.
=> Veins
• Function - Involved in carrying impure, deoxygenated blood.
• Walls - Consists of three distinct layers, which are thin and collapsible.
• Position - Peripherally located closer to the skin.
• Colour - Blue in colour.
(B) Ans
=> Xylem
• Definition - Xylem tissues are the tubular-shaped structure, with the absence of cross walls. This tissue resembles the shape of a star.
• Location - It is located in the centre of the vascular bundle.
• Fibres - Xylem fibres are smaller.
• Found In - They are present in roots, stems and leaves.
=> Phloem
• Definition - Phloem tissues are tubular-shaped, elongated, structures with the presence of walls with thin sieve tubes.
• Location - It is located on the outer side of the vascular bundle.
• Fibres - Phloem fibres are larger.
• Found In - They are present in stems and leaves, which later transports and grow in roots, fruits and seeds.