What is next in the levels of organization: Organism->Organ system->organ->______________

How does the muscular system help the circulatory system deliver blood?

The respiratory system is made up of the trachea, the lungs, and the ─

A ________ is a group of 2 or more organs working together to keep an organism alive.

Water, salts, and urea are removed from the body by the ________________ system?

Which of the following is not part of the circulatory system? COICES: ARTERIES, LUNGS, HEART, VEINS

Which is not a function of the skin? CHOICES: PROTECTION, VITAMIN B SYNTHESIS, TEMPERATURE REGULATION, SENSATION

What are the 3 main parts of the nervous system?

The circulatory system requires the intervention of another body system to help regulate and deliver blood. Which other system helps deliver blood?

Veins and arteries are important to the circulatory system. What is the difference between the two?

What is the name of the tiny air sacs in your lungs? CHOICES: BRONCHIOLES, TRACHEA, ALVEOLI, PHARYNX

The three major types of muscles in the body are: SKELETAL MUSCLE, SMOOTH MUSCLE, AND _________________ MUSCLE

Which gland responds to physical and emotional stress during fight or flight response? CHOICES: ADRENAL, PITUITARY, PANCREAS, HYPOTHALAMUS