Answer:
True
Explanation:
B cells are B lymphocytes and are one of the types of white blood cells. Their main role is in the acquired immune system in which they help in the humoral immune response of the body by the secretion of antibodies. The maturation of the B cells occurs in the bone marrow in mammals. But in birds, these cells mature in an organ named bursa of Fabricius which is a lymphoid organ in birds. These B cells were first isolated form the bursa of Fabricius of the birds.
Answer: Genetically engineered crops have an advantageous gene from another organism inserted into their genome.
Radioactive atoms are inherently unstable; over time, radioactive "parent atoms" decay into stable "daughter atoms." When molten rock cools, forming what are called igneous rocks, radioactive atoms are trapped inside. ... Scientists date igneous rock using elements that are slow to decay, such as uranium and potassium.
1)left bronchus
2)pleura
3)trachea (starting)
4) cartilaginous rings
5)alveoli
6)atrium
7) diaphragm
Cartilaginous rings help in supporting the trachea from collapsing !!
The major cementing factor in
maintaining a long-term relationship is similarity. In relationships, similarity
in various characteristics such as interests and appearance remains important
as relationships tend to grow when the individuals develop and maintain the
same interests and continue to share their important principles over time.
