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.
Answer:
They are examples of erosion by water in different forms
Explanation:
4 because the distance is 40 and it hit the ground in 5 seconds
<span>The kidneys are retroperitoneal (towards the back) high in the dorsal body wall both in humans and cats.</span>