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Identify Where are some body parts and some sports

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Science first grade evaluation

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1st-science-ps04-our body-Galaxy

Body system

Labeling the parts of the body.

Body parts and body healthy

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Parts of the Body

increase vocabulary words

Parts of the Body (External)

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Sm sd 1 science my body 2

HUMAN BODY SYSTEMS

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• What is the main function of the alveoli?

1. A) To transport oxygen to the tissues
2. B) To exchange gases between the air and blood
3. C) To produce mucus
4. D) To warm the incoming air

• How does oxygen move from the alveoli to the capillaries?

1. A) By active transport
2. B) By osmosis
3. C) By diffusion
4. D) By endocytosis

• What is the role of the trachea?

1. A) To absorb oxygen
2. B) To transport air to the lungs
3. C) To filter carbon dioxide
4. D) To produce sound

• Which of the following structures helps air travel to the lungs?

1. A) Alveoli
2. B) Bronchi
3. C) Diaphragm
4. D) Larynx

• Why is carbon dioxide removed from the blood in the alveoli?

1. A) To prevent acidity in the blood
2. B) To increase oxygen levels
3. C) To regulate the body's temperature
4. D) To help with digestion

Worksheet to review the most important contents about the excretory system