Plant and Human Biology Quiz

In humans, oxygen is absorbed into the blood in the:

The blood vessel that carries blood rich in oxygen and nutrients from the heart to the body is:

In plants, water and nutrients move upward from the roots to the leaves through:

The energy from the Sun is changed into (a)   energy during photosynthesis.

Flowers are important for:

Tiny openings in leaves that allow air to enter and exit.

(a)  

The vessels in plants that carry glucose (food) to all parts.

(a)  

The system in humans that transports blood, nutrients, and oxygen.

(a)  

The organ that pumps blood in humans.

(a)