Coordination And Response- Triple

Question 1

In bright light

Answer 1

1. Circular muscles contract

2. Radial muscles relax

Question 2

In dim light

Answer 2

1. Circular muscles relax

2. Radial muscles contract

Question 3

Distant object

Answer 3

Ciliary muscles relax and the suspensory ligaments contract to make the lens go thinner

Question 4

Near objects

Answer 4

Ciliary muscles contract and suspensory ligaments slacken which makes the lens become fat/more curved