Answer:
Option C
Explanation:
More population means more pollution.
Answer:The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
They have hard shells that preserve.
OPTIONS:
A) lymphatic vessels.
B) the venae cavae.
C) the spleen.
D) lymph nodes.
E) lymph.
Answer:
B) the venae cavae.
Explanation:
The lymphatic system is an organ system that consists of a network of lymphoid tissues, lymphatic vessels and organs, which perform functions such as removal of toxins and unwanted materials, as well as production of immune cells that helps primarily in fighting against infection.
Lymphatic vessels, the spleen, lymph nodes, and lymph are all part of the lymphatic system.The venae cavae are two large vessels that empty deoxygenated blood received from all parts of the body into the right atrium. They are not part of the lymphatic system.
Genes became mutated and caused cancer
