Transport - the blood

Question 1

Composition of the blood (4)

Answer 1

1. White blood cells
2. Red blood cells
3. Plasma
4. Platelets

Question 2

Plasma and what it transports (8)

Answer 2

Used for transporting things around the body. It is made out of mostly water.
It transports:   CHALAGCU
1. Urea
2. Hormones
3. Carbon Dioxide
4. Antibodies
5. Amino acids
6. Glucose
7. Lactic Acid
8. Cholesterol

Question 3

Red blood cells and their adaptions (4)

Answer 3

Carry oxygen around the body. The oxygen are attached to the hemoglobin that are carried by the RBCs.
Adaptions:
1. Smooth edges
2. Biconcave shape (increases surface area)
3. Huge Quantities
4. No nucleus (gives more room to the hemoglobin)

Question 4

Platelets

Answer 4

they help clot blood. This stops blood loss and prevents microorganisms entering the body.

Question 5

White blood cells

Answer 5

are part of the immune system: Phagocytes and Lymphocytes

Question 6

Phagocytes

Answer 6

They engulf and destroy the pathogen. (phagocytosis)

Question 7

Lymphocytes

Answer 7

the produce antibody proteins that have a complimentary shape to the antigens of the pathogens. When they attach to the antigens, the pathogens cannot harm anymore.