Airashinnethidn
Answered

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1. They enable our body to move
2. Breathes in oxygen and breathes out carbon
dioxide
5. In here, food is brcken down into smaller
particles.​

Sagot :

AleiaGailidn

Answer:

1. Muscles

  • Muscles pull on the joints, allowing us to move
  • They also help the body do such things as chewing food and then moving it through the digestive system. Even when we sit perfectly still, muscles throughout the body are constantly moving

2. Lungs and Respiratory system

  • The lungs and respiratory system allow us to breathe
  • They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration

3. Chemical digestion

  • Chemical digestion involves the secretions of enzymes throughout your digestive tract
  • These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts

Explanation:

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