Circulateou System & Nutrient Transport Notes

Question 1

Blood contained in vessels?

Answer 1

Open circulatory system: No

Closed circulatory system: Yes

Question 2

Heart present?

Answer 2

Open circulatory system: Yes

Closed circulatory system: Yes

Question 3

Speed of blood flow?

Answer 3

Open circulatory system: Slow

Closed circulatory system: Fast

Question 4

Nutrients delivered examples

Answer 4

Open circulatory system: Oxygen, hormones, digested food

Closed circulatory system: Oxygen, hormones, digested food

Question 5

Efficiency in delivery?

Answer 5

Open circulatory system: Low

Closed circulatory system: High

Question 6

Organism examples

Answer 6

Open circulatory system: Insects, mollusks

Closed circulatory system: Mammals

Question 7

How do animals with no circulatory system get oxygen and glucose in all cells

Answer 7

Through diffusion as they have thin bodies

Question 8

How do plants deliver glucose and oxygen from leaves to all cells/tissues

Answer 8

Phloem and xylem.

Question 9

How do single celled organisms get nutrients for cellular respiration?

Answer 9

Diffusion