A P II 2026 CARDIOVASCULAR SYSTEM
REVIEW PAPER ANSWERS COMPLETE
LEARNING PACK
◉ What happens if pH drops (becomes acidic)?
Answer: Lungs breathe faster to remove CO₂, and kidneys remove
H⁺.
◉ What is the primary site of nutrient absorption?
Answer: The small intestine.
◉ What do macrophages do in the immune system?
Answer: They eat pathogens.
◉ What is the sequence of hormone pathways from the brain?
Answer: Brain → pituitary → gland → hormone → target → effect.
◉ What is the role of sodium (Na⁺) in the body?
Answer: It is crucial for water balance.
◉ How does the nervous system differ from the endocrine system?
REVIEW PAPER ANSWERS COMPLETE
LEARNING PACK
◉ What happens if pH drops (becomes acidic)?
Answer: Lungs breathe faster to remove CO₂, and kidneys remove
H⁺.
◉ What is the primary site of nutrient absorption?
Answer: The small intestine.
◉ What do macrophages do in the immune system?
Answer: They eat pathogens.
◉ What is the sequence of hormone pathways from the brain?
Answer: Brain → pituitary → gland → hormone → target → effect.
◉ What is the role of sodium (Na⁺) in the body?
Answer: It is crucial for water balance.
◉ How does the nervous system differ from the endocrine system?
