Top
Marks
📐 Mathematics
⚡ Physics
🧪 Chemistry
🧬 Biology
📝 English
Pricing
Home
/
Biology
/
Set 87 — Respiratory System
Set 87 — Respiratory System
10 questions · 📖 Tutor Mode · ⏱ 15 min
📖 Tutor Mode
0 answered · 10 remaining
⏱ 15:00
Respiratory System
1 / 10
WAEC 2018
During inhalation in humans, the diaphragm
A.
Relaxes and moves upward
B.
Contracts and flattens (moves downward), increasing thoracic volume and decreasing pressure → air flows in
C.
Moves to the left
D.
Becomes dome-shaped
E.
Pumps air mechanically
Check Answer