Question

True or false (i) Red blood cells are helpful to stop bleeding.

(ii) Reflex arc is formed in the spinal cord.​

Answer 1

Answer:

1- false

2- False both are false statements

Answer 2

Explanation:

(i) is FALSE. Red blood cells only carry oxygen. Bleeding is stopped by certain WBCs.

(ii) TRUE. Reflex action is the sudden action in response to certain stimulus. The nerve pathway involved in the reflex action is called a reflex arc. It involves a sensory nerve and a motor nerve with synapse. Sensory neurons carry signals from the receptor organs to the spinal cord where the arc is formed.