The secondary sexual characters develop in females because of:

(1) estrogen

(2) androgens

(3) absence of androgens

(4) absence of estrogens

The secondary sexual characters develop in females because of:

1. estrogens

2. androgens

3. absence of androgens

4. absence of estrogens

Which of the following is the effect of the hormone secreted by the Heart?

1. Dilation of blood vessels

2. Decrease blood pressure

3. Both 1 and 2

4. constriction of blood vessels

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

1. a

2. b

3. c

4. d

The contraction of the gall bladder is due to:

1. gastrin

2. secretin

3. cholecystokinin

4. enterogastrone