21.
Which organ is responsible for filtering and removing toxins and waste products from the blood?
Explanation:
22.
What is the primary function of the circulatory system?
Explanation:
23.
Which system is responsible for maintaining electrolyte balance and blood pressure?
Explanation:
24.
What is the term for the basic unit of the nervous system, responsible for transmitting nerve signals?
Explanation:
25.
Where is the thymus gland located in the human body?
Explanation:
26.
What is the term for the process of converting food into energy within the body's cells?
Explanation:
27.
Which of the following is a function of the endocrine system?
Explanation:
28.
Where is the spleen located in the human body?
Explanation:
29.
What is the primary function of the reproductive system in males?
Explanation:
30.
What is the term for the process of breaking down food in the digestive system using enzymes and stomach acids?