Ch 4 A&P Review

What are the three layers a fertilized egg organizes into?

• Ectoderm, Mesoderm, and Endoderm

• Epidermis, Dermis, and Hypodermis

• Cortex, Medulla, and Pelvis

• Pericardium, Myocardium, and Endocardium

Tags

NGSS.HS-LS1-4

Which type of cells do not have a specific function but can differentiate into different types of cells?

• Stem cells

• Red blood cells

• Muscle cells

• Nerve cells

Tags

NGSS.HS-LS1-4

Endocrine glands secrete their products directly into what?

• the bloodstream

• the lymphatic system

• the digestive tract

• the respiratory system

What is the overriding purpose of connective tissue?

• To support and bind other tissues

• To conduct electrical impulses

• To produce hormones

• To facilitate digestion

Which is the most abundant protein in connective tissue?

• Collagen

• Elastin

• Keratin

• Fibrin

Why do injuries to tendons and ligaments heal slowly?

• Because they have a limited blood supply

• Because they are constantly in use

• Because they are made of dense tissue

• Because they are located deep within the body

What type of cartilage is found at the ends of movable joints?

What provides support for the body and offers protection for organs?

• The muscular system

• The digestive system

• The nervous system

• The skeletal system

The function of the axon in a neuron is:

• To transmit electrical impulses away from the cell body

• To receive signals from other neurons

• To process information within the neuron

• To store neurotransmitters

The role of cardiac muscle in the heart is to:

• Pump blood throughout the body

• Filter blood

• Store oxygen

• Produce hormones