Which gland is the main gland of the endocrine system?
A. Thyroid gland 甲状腺
B. Adrenal gland 肾上腺
C. Hypothalamus 下丘脑
D. Pituitary gland 脑垂腺 / 垂体
Select your answer:
Topics:
Child Development Blood Groups Cell Membrane and Transport Biodiversity Conservation Anatomy - Muscle Histology/NMJ/Physiology Muscoskeletal Injuries Benefits of Physical Activity Health Systems Respiratory System Med Term Healthy Living Bacterial Cell Structure Nutrition in Humans and Animals Human Digestive System Hazards & Risks TeethsOther quiz:
Reproduction › View Name the leaf like green colored structure of a flower shown in the diagram?
A. ovary
B. Sepal
C. stigma
D. stamen
Genetics › View
When parents with different traits are bred, a trait that reappears in the second generation after disappearing in the first generation is a
A. dominant trait
B. true-breeding trait
C. recessive trait
D. characteristic