Transportation in humans

Which of the following does not have valves

• Heart

• Arteries

• capillaries

• veins

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

White blood cells

• allow for gases to exchange
• give blood its color
• fight infection and disease
• help clot blood

Platelets 

• allow for gases to exchange
• give blood its color
• fight infection and disease
• help clot blood

The plasma that contains blood cells is mainly made up of 

• cytoplasm
• nutrients
• waste
• water

What part of blood is responsible for carrying wastes, nutrients, and minerals?

• Red Blood Cells
• White Blood Cells
• Platelets
• Plasma

The smallest type of blood vessel is the:

• nerve
• vein
• capillary
• artery

All organisms need food, ________, and water for survival.

• Oxygen

• Shelter

• Carbon Dioxide

• All of these

The red pigment in blood is called

• Plasma

• Arteries

• Haemoglobin

what is the function of arteries

• take blood to heart

• take blood away from heart

• take blood to colon

• take blood to brain