LONG QUIZ #1 in SCIENCE 9

Which organ system is responsible for transporting nutrients and oxygen throughout the body?

• Nervous system

• Circulatory system

• Muscular system

• Respiratory system

What is the function of red blood cells?

• Fight diseases

• Form clots

• Carry oxygen

• Filter blood

What type of blood vessel carries blood away from the heart?

• Vein

• Artery

• Capillary

• Valve

Which of the following is a disease of the circulatory system?

• Influenza

• Diabetes

• Atherosclerosis

• Asthma

How does regular exercise benefit the circulatory system?

• It lowers heart rate and strengthens the heart

• It blocks arteries

• It causes muscle cramps

• It reduces oxygen intake

Which system works closely with the circulatory system to deliver oxygen to the body?

• Muscular system

• Skeletal system

• Digestive system

• Respiratory system

Which of the following represents a dominant allele?

• b

• x

• B

• rr

Which organ is the main site of gas exchange in humans?

• Heart

• Lungs

• Stomach

• Kidney

What gas do the lungs take in from the air?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

What gas is released by the lungs when we exhale?

• Oxygen

• Carbon dioxide

• Helium

• Hydrogen