Question

Q1. Which of the following statements are true about respiration.
a. During inhalation, ribs move inward and diaphragm is raised
b. In alveoli exchange of gases takes place le oxygen from blood into alveolar air 1
c. Haemoglobin has greater affinity for carbon dioxide than oxygen
d. Alveoli increase the surface area for absorption of gases
I a&d Il.b&c llI, a&c lv .b&d

Q2. The main function of the urinary bladder is to
a. control the pressure of urine in the urinary bladder
b. take the urine from the kidney to the urinary bladder
c. filter blood and remove the urine
d. connect the parts of the excretory system​

Answer 1

Answer:

a

Explanation:

option a is the right answer