Ex 15.1 Transport System FunDay T3W6

What is the purpose of a transport system in organisms?

• To provide mechanical support
• To transport nutrients and oxygen to cells

• To fight infections and diseases
• To remove waste materials from cells

Which of the following substances are transported by the human circulatory system?

• Oxygen
• Carbon dioxide
• Glucose
• Urea

What is the function of plasma in blood?

• To transport oxygen
• To fight infections
• To provide mechanical support
• To act as a transport medium

What is the primary function of red blood cells?

• To fight infections
• To transport oxygen
• To transport carbon dioxide
• To provide mechanical support

Which component of blood helps in the clotting process?

• Plasma
• Red blood cells
• White blood cells
• Platelets

Why do living cells need to be adapted for their functions?

• To increase the size of cells
• To decrease the energy demand
• To perform their specific jobs efficiently
• To enable the formation of platelets

What is the main advantage of double circulation in mammals?

• Maintaining higher blood pressure in organs
• Decreasing the oxygen demand in the body
• Slowing down the oxygenated blood flow
• Preventing blood clotting

The circulatory system works with which system to transport oxygen?

• Digestive system
• Excretory system
• Respiratory system
• Nervous system

What are the functions of xylem tubes in plants?

• To transport food molecules
• To conduct water and mineral salts
• To fight infections and diseases
• To provide mechanical support

Which substance is transported by phloem tubes in plants?

• Oxygen
• Water
• Sucrose and amino acids
• Carbon dioxide