Unit 4 lesson 8 practice
1. What are the four main types of blood cells?
- Red blood cells
- White blood cells
- Platelets
- Plasma
2. What is the function of red blood cells?
Red blood cells are responsible for carrying oxygen from the lungs to the rest of the body and transporting carbon dioxide back to the lungs to be exhaled.
3. What is the function of white blood cells?
White blood cells play a key role in the body's immune system, helping to defend against infections and diseases.
4. What is the function of platelets?
Platelets are essential for blood clotting, helping to stop bleeding when a blood vessel is damaged.
5. What is plasma?
Plasma is the liquid component of blood that carries nutrients, hormones, and waste products throughout the body. It also helps regulate body temperature and maintain blood pressure.
6. What is the role of the circulatory system in the body?
The circulatory system is responsible for transporting blood, nutrients, oxygen, and waste products throughout the body. It consists of the heart, blood vessels, and blood cells working together to maintain the body's overall health and functioning.