When we inhale
A. the diaphragm is pushed upwards and the rib cage downwards
B. both diaphragm and rib cage are pushed downwards
C. the diaphragm is pulled downwards and the rib cage upwards
D. the diaphragm is pushed upwards and the rib cage is pulled downwards
Related Questions on Chapter 19: Respiration & Food Energy - Science Mcqs for Grade 7
In respiration the raw products are
A. oxygen and carbon
B. oxygen and food
C. oxygen and glucose
D. food and carbon
In respiration, raw material is converted into
A. water only
B. carbon dioxide and energy
C. water and energy
D. water, carbon dioxide and energy