What types of muscles are in the body?
What are the different types of muscle tissue?
How do skeletal muscles work?
What does the skeleton do?
What are the characteristics of bones?
What role do joints play?
What is the role of the nervous system?
How do the parts of the nervous system work?
How do the muscular, skeletal, and nervous systems work together to maintain homeostasis?
Lesson 6.02
How does the endocrine system function?
Which hormones do endocrine glands release?
How are hormone levels regulated?
How does the reproductive system work?
What structures make up the male and female reproductive systems?
Lesson 6.03
What nutrients do you need?
What happens in the digestive system?
What is the process of digestion?
What is the role of excretory system?
What are the structures of the urinary system?
How does the excretory system help the body maintain homeostasis?
Lesson 6.04
What is the role of the respiratory system?
What happens when you breathe?
What happens in the circulatory system?
What are the structures of the heart?
How does blood flow through the circulatory system?
What does blood contain?
Lesson 6.05
What are the benefits and limitations of scientific experiments and investigations?
What pathogens cause infectious disease?
What is the role of the immune system?
How are pathogens spread?
How do infectious diseases affect body systems?
What are noninfectious diseases, and how do people get them?
Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.