The Major Systems of the Human Body

Subject : Biology

Question:

Which of the following are the major systems of the body? (Select all that apply.)

1. Reproductive
2. Urinary
3. Digestive
4. Endocrine
5. Nervous
6. Cardiovascular
7. Respiratory
8. Lymphatic
9. Skeletal
10. Muscular
11. None of these

Expert Verified Solution:

The major systems of the body include the following:

Reproductive System: Responsible for producing offspring, the reproductive system includes organs such as the ovaries and testes.

Urinary System: This system helps to remove waste from the body, maintaining fluid and electrolyte balance, and includes the kidneys and bladder.

Digestive System: Responsible for breaking down food and absorbing nutrients, this system includes organs like the stomach and intestines.

Endocrine System: This system controls hormones and regulates many bodily functions through glands such as the thyroid and adrenal glands.

Nervous System: It controls the body’s activities and responses by sending signals through nerves, primarily involving the brain and spinal cord.

Cardiovascular System: Responsible for transporting blood, nutrients, and gases throughout the body, it includes the heart and blood vessels.

Respiratory System: This system facilitates the exchange of oxygen and carbon dioxide through the lungs.

Lymphatic System: It helps in defending the body against infections and maintains fluid balance by transporting lymph.

Skeletal System: Providing structure and support to the body, the skeletal system includes bones, joints, and cartilage.

Muscular System: This system allows movement and stability by contracting muscles attached to bones.

The answer is all the systems listed except “None of these,” as they all play a critical role in maintaining the body’s functions.