Sasquatch+Circulating+Needed+Materials

Oxygen enters the body through the alveoli in the bronchioles.
 * Pig**
 * How does oxygen enter the body?**

Oxygen and other materials are transported to the capillaries from the alveoli. The capillaries are connected to the blood stream which transports the nutrients throughout the body.
 * How are oxygen and other materials transported in the body?**

Fetal pigs get their oxygen through the placental tissues that join the mother’s bodily systems to the fetus. []
 * How do fetal pigs get their oxygen?**

Starfish get their oxygen through diffusion into their tube feet.
 * Starfish**
 * How do starfish get their oxygen?**

Oxygen is carried throughout the central ring and five radial vessels
 * How are oxygen and other materials transported in the body?**



Crayfish get their oxygen through their gills in the water.
 * Crayfish**
 * How do crayfish get their oxygen?**

Through an open circulatory system. Blood flows from the heart through arteries.
 * How do crayfish transport oxygen and other materials throughout the body?**