Which of the following is required in order for homeostasis to be maintained? Select one:

An organism should have an internal environment that differs from its external environment.

There should be a constant input of stimuli to receptors so that internal conditions remain constant.

Passage of materials across cell membranes need to occur at a continuously rapid rate.

An organism should be able to move to a new environment when conditions change.

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.

answer;

-vessels in the chest

the diagnosis of angina pectoris literally means "vessels in the chest"

explanation;

-angina pectoris is the medical term for chest pain or discomfort due to coronary heart disease.it is the chest pain due to an inadequate supply of oxygen to the heart muscle. the pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.

agina pectoris is caused by reduced blood flow to your heart muscle. the blood carries oxygen, which the heart muscle needs to survive. when the heart muscle isn't getting enough oxygen, it causes a condition called ischemia