CLASS 10 LIFE PROCESS

One cell-thick vessels are called

I.

• Arteries

• Veins

• Capillaries

Blood consist of what fluid medium?

• Lymph

• Platelets

• Plasma

What does the left side of the heart do?

• The left side of the heart pumps blood through the lungs where it gets oxygen. SHOW ANSWER

• The left side of the heart receives the blood containing oxygen and pumps blood to the rest of the body.

• The left side of the heart controls the muscles on the left side of the body,

• The left side of the heart supplys our arms with blood

A flap of tissue that prevents blood from flowing backward

• Aorta

• Atrium

• Septum

• Valve

_____________________ is the force of blood on the walls of the blood vessels.

• Pulse

• Heart rate

• Blood Pressure

• Hypertension

Respiratory pigment in human body is

I.

• Chlorophyll

• Water

• Blood

• haemoglobin

In which part of the heart does the aorta originate?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What are released from white blood cells in order to protect the body from pathogens?

• Clots

• Antibodies

• Antidotes

• Antigens

How many circuits are there in human circulatory system?

• 1

• 2

• 3

• 4

Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:

• Hydrochloric acid

• Acetic acid

• Lactic acid