Tropic hormones
A) function in only one sex.
B) stimulate certain endocrine glands to secrete hormones.
C) block the actions of hormones that endocrine glands secrete.
D) only function in the tropics.
B
You might also like to view...
An individual with a "double-jointed" thumb can pull it back towards the wrist much farther than normal. What does it mean to be "double-jointed?"
A) the additional joint present doubles the range of motion B) articular cartilage at bone ends is replaced with hyaline cartilage C) greater than normal production of serous fluid lubricates the joint and extends it D) the joint capsules and ligaments are more stretchy and loose than normal
The two heart reflexes directly respond to changes in
A) blood volume. B) hormones released. C) oxygen levels in the blood. D) calcium concentrations. E) the pH of blood.
The medulla oblongata is the most rostral part of the brain.
Answer the following statement true (T) or false (F)
During implantation, the trophoblast divides into a deep layer called the ________, which is composed of individual cells.
A. cytotrophoblast B. amnion C. embryoblast D. syncytiotrophoblast E. chorion