Biology Final Exam Sem 1 P1 - Dec 2024

Front

What type of blood do veins carry?

Back

Veins carry oxygen-poor blood back to the heart.

Front

What type of blood do arteries carry?

Back

Arteries carry oxygen-rich blood away from the heart.

Front

What is the body's normal response to maintain temperature?

Back

Blood vessels dilate or constrict.

Front

Is the heart an involuntary muscle?

Back

Yes, the heart is an involuntary muscle that is always working.

Front

What is the main organ of the circulatory system?

Back

The heart.

Front

What is the function of veins in the circulatory system?

Back

Veins return deoxygenated blood to the heart.

Front

What is the function of arteries in the circulatory system?

Back

Arteries transport oxygenated blood away from the heart.

Front

What happens to blood vessels when the body is too hot?

Back

Blood vessels dilate to release heat.

Front

What happens to blood vessels when the body is too cold?

Back

Blood vessels constrict to retain heat.

Front

What is the role of the heart in the circulatory system?

Back

The heart pumps blood throughout the body.