Question

Subject: Physical Education
Class: A
1. Fill in the blanks:-
in diameter
1. The diameter of alveoli is
2. The
is a sheet of muscular tissue.
3. The maximum volume of air that can be inhaled & exhaled during breathing is called
4. The left &right chambers of heart are separated by
5. The normal blood pressure is
6. Life span of red blood cells is
n
Don​

Answer 1

Answer:

1. lungs

2. muscle tissue

3.respiratory cycle

4.muscular wall

5.is less than 120/80mmHg

6.115 days.

Answer 2

Answer:

1. alveolus has an average diameter of 200 micrometres

3. vital capacity

4. inter ventricular septum

5. 120/80 mmHg

6. 115 days (not sure)