Question

5. Human heart is protected by the spinal cord.
D Answer the following in one word each.
What do you call those animals that have a backbone?
. What are the animals that do not have a backbone called?
. How many bones make up a human skeleton?
Name the ribs that are not attached to the chest bone.
How many legs does a cockroach have?
Answer the following questions briefly.
Why do animals move from place to place?​

Answer 1

Answer:

Without bones, muscles, and joints, we couldn't stand, walk, run, or even sit. ... the brain and the body, is protected by the backbone, or spinal column. ... Humans have three different kinds of muscle:.

Answer 2

Answer:

• vertibrates

• invertebrates

• 206 make up a human skeleton. The false ribs are not attached to the chest bone.

• Cockroaches have 6 legs

• Animal move from place to place to find food, a mate, a suitable microhabitat, or to escape predators.

Explanation:

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