C15 | 살아있는 유기체 내에서의 수송 (Transport in Living Things)

Question 1

Define Diffusion.

Answer 1

Diffusion is the net movement of particles from a region of higher concentration to a region of lower concentration.

Question 2

Define Osmosis.

Answer 2

Osmosis is the net movement of water molecules from a region of higher concentration a region of lower concentration through a partially permeable membrane.

Question 3

What are the two types of tissues found in the plant system?

Answer 3

• Xylem
• Phloem

Question 3

What is the function of the Phloem & Xylem?

Answer 3

Phloem:
Transports food substances made in the leaves to all parts of the plant.
Xylem:
Transports water and dissolved minerals in an upward direction from the roots to all parts of the plant.

Question 3

What does the Circulatory System consist of?

Answer 3

• Heart
• Blood Vessels - Arteries, Veins and Capillaries
• Blood

Question 4

Function of:
* Veins
* Heart
* Arteries
* Capillaries
* Blood

Answer 4

Veins:
Transports blood towards the heart from all parts of the body.
Heart:
A muscular pump that keeps blood circulating around the body quickly and continuously.
Arteries:
Transports blood away from the heart to all parts of the body.
Capillaries:
Acts as a site of exchange for substances.
Blood:
* Transport Medium
* Continuously circulating around the body.
* Protects the body from disease-causing germs.

Question 5

Function of:
* Plasma
* Red Blood Cell
* White Blood Cell
* Platelets

Answer 5

Plasma:
It transports water and dissolved substances such as digested food, mineral salts to the body cells and waste products such as carbon dioxide from the body cells to the lungs to be removed from the body.
Red Blood Cell:
They transport oxygen to different parts of the body. Millions of them make up each drop of blood and give it a red colour.
White Blood Cell:
Protects the body against diseases and fights infections.
Platelets:
Stops bleeding by clotting the blood flow when blood vessels are cut or damaged.

Question 6

What is the function of the valves?

Answer 6

Valves are present to prevent the backflow of heart so they can only flow in one direction.

Question 7

Which side of the heart is Deoxygenated and Oxygenated?

Answer 7

Deoxygenated Blood
* Low concentration of oxygen but high concentration of carbon dioxide.
* RIGHT SIDE (Our Left)

Oxygenated Blood
* High concentration of oxygen but low concentration of carbon dioxide.
* LEFT SIDE (Our Right)