Question

1. How do endocrine glands help the body maintain homeostasis?
• They transport oxygen, nutrients, carbon dioxide and waste
• They control body activities by releasing hormones into the blood
• DO NOT CHOOSE THIS ANSWER
• They distinguish between “self” and “other”.

2. The system that helps all others maintain homeostasis by transportiung oxygen, nutrients, carbon dioxide and wastes is the
• DO NOT CHOOSE THIS ANSWER
• Circulatory system
• Digestive system
• Respiratory system

3. One advantage to being an ectotherm is that an ectotherm
• Can generate its own body heat

Answer 1

thanks @AloneS (:

Answer 2

yw (: