_____ is a hormone secreted by the thymus that can stimulate the immunological activity of lymphoid tissue.
_____ is a hormone secreted by the thymus that can stimulate the immunological activity of lymphoid tissue.
Which is a dependent clause?（ ）
Which is a dependent clause?（ ）
In spleen, the thymus-dependent area is A: splenic cord B: splenic corpuscle C: periarterial lymphatic sheath D: splenic sinus E: marginal zone
In spleen, the thymus-dependent area is A: splenic cord B: splenic corpuscle C: periarterial lymphatic sheath D: splenic sinus E: marginal zone
Modern civilizations are as dependent on trees as ______.
Modern civilizations are as dependent on trees as ______.
It takes time to learn to be ________. (dependent)
It takes time to learn to be ________. (dependent)
A compound-complex sentence consists of two or more independent clauses and A: one or more dependent clauses B: two or more dependent clauses
A compound-complex sentence consists of two or more independent clauses and A: one or more dependent clauses B: two or more dependent clauses
Thymocytes are derived from ( ). A: bone marrow B: thymus C: lymph node D: spleen
Thymocytes are derived from ( ). A: bone marrow B: thymus C: lymph node D: spleen
垂体 A: pituitary gland B: thyroid gland C: thymus gland D: adrenal gland
垂体 A: pituitary gland B: thyroid gland C: thymus gland D: adrenal gland
Which organ is the central immune organ? ( ) A: Spleen B: lymph node C: MALT D: Thymus
Which organ is the central immune organ? ( ) A: Spleen B: lymph node C: MALT D: Thymus
The word “dependent” (in Paragraph 3) means ________.
The word “dependent” (in Paragraph 3) means ________.