Pulmonary valve - connects right ventricle and pulmonary trunk (which divides into right and left pulmonary arteries). It is a semilunar valve
Answer:
C) tumor is large and at least two lymph nodes are positive for cancer cells.
Explanation
Tumor staging group client according to the extent and spread of the disease using the TNM system. TNM stands for tumor , node, metastasis. In the TNM system T1,T2,T3 and T4 describe tumor size. N0, N1, N2 and N3 describe the lymph node involvement. M0, M1 describes the absence or presence of metastasis.
The tumor clinical stage was given as T3, N2, M0.
This means the tumor is large( T3) and at least two lymph nodes(N2) are positive(M0) for cancer cells.
Survival can possibly be one
Destruction of coral reefs would cause an imbalance in the ecosystem. Some species could be driven to extinction.
Coral reefs are the base of the most diverse marine ecosystem in the world. They are often referred to as the ‘rainforest’ of the oceans and seas. They provide shelter for cnidarians, sponges, crustaceans, and etcetera and provide hiding grounds from predators.
ANSWER can you make ur screen bigger sorry i cant see well my school glasses broke
