life process Flashcards
nutrition (26 cards)
What is the primary function of the xylem in plants?
To transport water and minerals from the roots to the rest of the plant.
What is the primary function of the phloem in plants?
To transport food (sugars) produced in the leaves to other parts of the plant.
True or False: The xylem is responsible for the upward movement of nutrients.
True
Fill in the blank: The process by which water vapor is lost from plant leaves is called __________.
transpiration
What type of transport is used in the movement of water in plants?
Passive transport
What are the two main types of vascular tissue in plants?
Xylem and phloem
Which part of the human circulatory system is responsible for transporting oxygenated blood?
Arteries
True or False: Veins carry deoxygenated blood back to the heart.
True
What is the function of the heart in human beings?
To pump blood throughout the body.
What is the significance of capillaries in the human circulatory system?
They facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.
Fill in the blank: The liquid component of blood is called __________.
plasma
What is the role of red blood cells?
To transport oxygen to body tissues and remove carbon dioxide.
What is the main driving force behind the movement of water in plants?
Transpiration pull
Multiple Choice: Which of the following is NOT a component of blood? A) Plasma B) Platelets C) Chlorophyll D) Red blood cells
C) Chlorophyll
What is the term for the rhythmic contraction and relaxation of the heart?
Heartbeat
True or False: Sieve tubes are part of the xylem tissue.
False
What is the primary role of the stomata in plants?
To facilitate gas exchange and transpiration.
Fill in the blank: The vascular tissue that transports water and dissolved minerals is called __________.
xylem
What is the function of valves in the veins?
To prevent the backflow of blood.
Which organ in the human body is primarily responsible for filtering blood?
Kidneys
What is the term for the network of blood vessels in the body?
Circulatory system
True or False: All plant tissues are involved in transport.
False
What type of tissue is responsible for the transport of nutrients in plants?
Phloem
Multiple Choice: Which component of blood helps in clotting? A) Red blood cells B) White blood cells C) Platelets D) Plasma
C) Platelets
