Science 7 for class study in Cambridge (Science cho lớp 7 CAM)

The lungs bring ______ into the body, and eliminates _____ from the body.

• Carbon monoxide, oxygen

• Oxygen , Carbon Monoxide

Which of the following structures is NOT part of the respiratory system?

• Bronchus

• Trachea

• Heart

What organ in the circulatory system is responsible for pumping the blood throughout the body?

• Heart

• Blood vessels

• Blood

Which type of circuit/ circulation is responsible for the movement of blood from the heart to the rest of the body, excluding the lungs?

• Pulmonary Circulation

• Coronary Circulation

• Systemic Circulation

Which structures of the heart receive blood from the lower and upper parts of the body?

• Arteries

• Veins

• Atria

The Circulatory System is also termed as ___________________

• Respiratory System

• Cardiovascular System

• Digestive System

The Circulatory System is comprised of the following except:

• Heart

• Blood

• Lungs

• Blood Vessels

What is the term for the outermost electrons in an atom that are involved in chemical bonding?

• Protons

• electrons

• Neutrons

• Valence electrons

what is the chemical symbol of gold?

• Ag

• Au

• Ca

• Mg

Which of the following characteristics are typically associated with metals?

• Brittle and non- conductive

• low melting point and low density

• Malleable and ductile

• Insoluble in water and gas at room temeperature