Exchange of nutrients occurs in the digestive system. Exchange of oxygen occurs in lungs
I think the diameter of it is 0.03
1. The tree can grow to over<span> 100 </span>feet tall
<span>2. </span>Reproduction happens when the fruit of the tree ripen and burst open<span>, </span>leaving seeds scatteredin a<span> 100 </span>foot
<span>3. </span>The leaves of the Rubber Tree are glossy<span>, </span>oval shaped and dark green<span>. </span>They can grow to be<span> 14 </span>inches
<span>4. </span>It is a quickly growing tree<span>, </span>as are most trees in the (related to areas near the Equator/hot and humid) rainforest<span>, </span>it can grow<span> 24 </span>inches
<span>5. </span>The Rubber tree grows best in bright sunlight or filtered sun and although it is best suited for the wet and hot <span>climate</span>
Answer:
You have external defense systems, which include your skin, tears, mucus, saliva, stomach acid, cilia (small hairs) and helpful bacteria. The skin, nails and hair form the integumentary system, which stops dirt and pathogens from entering the body.
