Question

9. Name the substance released, when muscles respire in oxygen deficit conditions?
10. Gaseous exchange in the lungs takes place by diffusion between alveoli
and
11. What is 'End Stage Renal Disease?
12. Define synapse.
SECTION - IT
Tote : 1. Answer all questions,
8 x 1 = 8
2.
Each question carries 1 Mark.
13. What measures can be taken to avoid sexually transmitted diseases?
14. What is meant by pulse?​

Answer 1

Answer:

for 9th answer is lactic acid

10th.lungs

Answer 2

Answer:

9 carbon dioxide, water and energy

10 lungs take oxygen and give out carbon

14 The boold flow in per second.