Hi !
Answer:
<em>Insulin is secreted by </em>the pancreas.
The tricuspid valve is situated between the right atrium and right ventricle.
The pulmonary valve is between the right ventricle and the pulmonary artery. The mitral valve is between the left atrium and left ventricle.
Rain water, underground water and surface water.
Answer:
A weakened immune system, increasing the risk of illness and infection
Nausea and abdominal pain, which can also lead to changes in appetite and weight loss
Seizures, stroke, mental confusion and brain damage
Lung disease
Problems with memory, attention and decision-making, which make daily living more difficult
Explanation:
