Science IV Second Quarter Exam

Which of these is NOT a function of the skeletal system?

• It supports the body.

• It helps us breathe

• It is the body's framework

• It protects some of the body's internal organ

Why are bones important to the body?

• They carry messages to the brain.

• They give support and make us stand erect.

• They regulate our body temperature

• They help us breathe

Which of the following activity shows the function of the muscular system?

• Watching the sunset while feeling the breeze at the seashore.

• Drinking milk tea at your favorite coffee shop.

• Eating your favorite snack while watching television.

• Lifting a barbel as an early exercise.

When walking uphill in a hilly area like Tagaytay, your legs start to feel tired after a while. This example of the role of the:

• Digestive system in fueling your body.

• The muscular system contracts and relaxes muscles.

• Respiratory system in cooling you down.

• Circulatory system in providing oxygen to the body.

When you are eating food like tapsilog (tapa, sinangag at itlog), what body system helps break down and absorb the nutrients?

• Circulatory system

• Respiratory system

• Muscular system

• Digestive System

Which of the following is the function of the digestive system?

• Carry oxygenated blood throughout the body

• Take in oxygen and give off carbon dioxide.

• Breakdown food into smaller, absorbable molecules.

• Regulating the body's temperature.

The respiratory system brings oxygen into the body and removes carbon dioxide. Which of the following activities increases your need to breathe faster?

• Eating your favorite halo-halo.

• Running in a triathlon competition.

• Doing yoga exercises.

• Reading your favorite novel.

Your circulatory system carries oxygen and nutrients throughout your body which consist of your heart, blood, and blood vessels. Which of the following is the function of the heart?

• Serves as the pathway through which blood flows.

• Fights off foreign objects that enter the body.

• Regulates the body temperature.

• Pumps blood to all parts of the body.

If a person feels their heart beating fast and experiences shortness of breath after climbing several flights of stairs, which two body systems are involved in this action?

• Respiratory and Circulatory

• Muscular and Skeletal

• Digestive and Circulatory

• Skeletal and Respiratory

Which two systems work together when you are playing a traditional Filipino game like "patintero" that requires running and quick movements?

• Skeletal and Digestive

• Respiratory and Muscular

• Circulatory and Digestive

• Skeletal and Circulatory