Topic

heart

6 questions tagged heart — spanning every one of the seven Ws.

what

What is blood pressure?

Blood pressure is the force of blood pushing against artery walls, written as two numbers such as 120/80.

healthheart
which

Which is the largest artery in the human body?

The aorta is the body's largest artery, carrying oxygen-rich blood from the heart's left ventricle to the rest of the body.

human bodyheartbiology
when

When was the first successful human heart transplant performed?

The first successful human heart transplant was performed in 1967.

Human BodyHeart
when

When was the first successful artificial pacemaker implanted in a human?

The first implantable artificial pacemaker was placed in a human in 1958.

Human BodyHeart
where

Where is the sinoatrial node located?

The sinoatrial (SA) node is in the upper wall of the right atrium of the heart. It is the natural pacemaker that starts each heartbeat.

Human BodyHeart
where

Where is the tricuspid valve located?

The tricuspid valve is between the right atrium and right ventricle of the heart. It helps keep blood moving in one direction.

Human BodyHeart