Why Is There No Need for Insects to Have a Cardiovascular

question 62

Multiple Choice

Why is there no need for insects to have a cardiovascular system to allow for gas exchange?

• A) Carbon dioxide and oxygen are exchanged directly at the muscle cells.
• B) Diffusion of gasses occurs with the air directly.
• C) Insect cells do not conduct aerobic respiration.
• D) Carbon dioxide and oxygen are exchanged directly at the muscle cells and insect cells do not conduct aerobic respiration.
• E) Diffusion of gasses occurs with the air directly and insect cells do not conduct aerobic respiration.

---

Definitions:

Moist Compresses

Soft pads soaked in water or medicinal solutions applied to parts of the body to provide relief from pain or swelling.

Decubitus Ulcer

A pressure sore or ulcer that forms on the skin due to prolonged pressure on one area, often occurring in bedridden patients.

Necrotic Tissue

Dead tissue that has not been shed from the body, often the result of injury, infection, or disease, requiring medical treatment to remove.

Wound Healing

The physiological process by which the body repairs and regenerates tissue damage caused by injury or surgery, involving stages of inflammation, tissue formation, and tissue remodeling.