Question

Q2) Select the correct statement out of the following:

a) Normally we breathe 16-18 times per minute

b) Breathing rate increases during physical activity

c) Breathing remains same under all conditions

d) Both a) and b)​

Answer 1

Answer:

a and b

Explanation:

Normally we breathe 16-18 times per minute . and

Breathing rate increases during physical activity .

Answer 2

Answer:

letter D that is my answer

Explanation:

i hope its help